Skip to main content
Microsoft · All-in-One Touchscreen Not Working · Nalasopara West

Microsoft
All-in-One Touchscreen Not Working
in Nalasopara West

Expert diagnosis & repair for All-in-One Touchscreen Not Working on your Microsoft device in Nalasopara West. Free doorstep pickup, genuine parts & 90-day warranty.

✓ ₹350 Inspection (refunded if you proceed with repair) ✓ Free Doorstep Pickup ✓ Same-Day Repair ✓ 90-Day Warranty ✓ All Microsoft Models

Open 9 AM – 9 PM · 7 days · ₹350 inspection fee (refunded if you proceed with repair)

Free
Diagnosis
90 Days
Repair Warranty
Same-Day
Turnaround
Free
Doorstep Pickup
OEM
Quality Parts
4.9 ★
Customer Rating
Same Day Repair 90-Day Warranty Genuine Parts Transparent Pricing Walk-in Welcome Free Pickup & Drop Since 2011 4.9/5 Rated ISO 9001:2015 Certified Same Day Repair 90-Day Warranty Genuine Parts Transparent Pricing Walk-in Welcome Free Pickup & Drop Since 2011 4.9/5 Rated ISO 9001:2015 Certified
Symptom Checker

Is Your Microsoft Device Showing These Signs?

Common symptoms of All-in-One Touchscreen Not Working on Microsoft devices. Recognise 2 or more? Book a ₹350 inspection (refunded if you proceed with repair) now.

Screen cracked, shattered or deeply scratched

Display flickering, showing lines, or goes blank

Touch response inaccurate or completely unresponsive

Dead pixels, discolouration or screen burn-in visible

Screen only functions at certain tilt angles

Display panel physically separated from the chassis

Don't Delay — All-in-One Touchscreen Not Working Gets Worse Over Time

Unaddressed hardware issues worsen and can lead to secondary damage, escalating repair costs significantly.

Book Inspection (₹350)
Root Cause Analysis

Why Does All-in-One Touchscreen Not Working Happen on Microsoft Devices?

Knowing the root cause ensures a precise repair — not just a temporary fix.

Physical Impact

Accidental drops, pressure or blunt force fracturing the display panel or digitiser layer.

Electrical Surge

Power spikes or incompatible chargers damaging the backlight driver or display IC.

Thermal Stress

Extreme temperature cycles causing LCD delamination or pixel degradation over time.

Manufacturing Defect

Factory-level quality issues in the display module, more common in older models.

Cost Estimate

Microsoft All-in-One Touchscreen Not Working Repair Cost in Nalasopara West

Transparent pricing · ₹350 inspection fee (refunded if you proceed with repair) first · Pay only after approval

Repair TypeEstimated CostWarranty
All-in-One Touchscreen Not Working Repair 90 Days
All-in-One Touchscreen Not Working Repair 90 Days
All-in-One Touchscreen Not Working Repair 90 Days
All-in-One Touchscreen Not Working Repair 90 Days
All-in-One Touchscreen Not Working Repair 90 Days
All-in-One Touchscreen Not Working Repair 90 Days

Final cost confirmed after ₹350 inspection (refunded if you proceed with repair). Work starts only with your approval.

Get Exact Quote
Why Us?

Why Choose Xigox for Microsoft Surface Studio 2 Repair in Nalasopara West?

With 1,00,000+ successful repairs and a 4.9-star rating, Xigox is Nalasopara West's most trusted independent Microsoft repair specialist. Serving all addresses in the 401203 postal zone.

Brand-Trained Technicians

Our engineers are specifically trained on Microsoft hardware — not generalists. Every repair is precise.

Genuine & OEM-Grade Parts

We use genuine Microsoft parts wherever available; otherwise OEM-certified compatible components.

90-Day Parts Warranty

Every repair backed by a written 90-day warranty. Same fault recurs? We fix it free of charge.

Same-Day Turnaround

Most Microsoft repairs in Nalasopara West completed same-day. Urgent service available for critical cases.

Full Transparency

We quote before starting work. No hidden fees. You pay exactly what you were quoted.

Lifetime Post-Repair Support

Free WhatsApp support for any questions about your Microsoft Surface Studio 2 after repair — always.

1,00,000+
Repairs Completed
Since 2011
4.9 ★
Average Rating
44,883+ reviews
90 Days
Repair Warranty
Parts & labour
30 Min
Avg Response
For common issues
Free
Pickup & Drop
₹350 inspection fee
2011
Est. Since
15+ yrs in Palghar
Our Repair Facility

Real Technicians. 100% Guaranteed Work.

Most online repair websites outsource your laptop or computer to random local shops. Xigox operates its own fully-equipped repair labs with dedicated BGA reballing stations and microscopic soldering equipment. When you trust us with Microsoft, it stays securely in our controlled environment.

Every technician at Xigox is in-house trained and certified — no freelancers, no third-party sub-contractors. We invest in continuous training so our engineers stay ahead of the latest chipsets, display technologies, and component architectures.

Our lab follows strict data-confidentiality protocols. Your personal files, passwords, and accounts are never accessed during repair — guaranteed.

No Third-Party Outsourcing Strict Data Confidentiality Micro-Soldering Equipment Certified Engineers Only CCTV-Monitored Lab Genuine OEM-Grade Parts
Technician diagnosing Microsoft Repair in Xigox Mumbai lab
Specialist Logic Board Microsoft Repair at Xigox repair facility
Xigox repair lab workbench — Microsoft Repair
Inside Xigox certified repair centre — Microsoft Repair
Our Process

How We Fix Microsoft All-in-One Touchscreen Not Working

Step-by-step from booking to delivery — complete transparency, no surprises

01

Tell Us the Problem

Call, WhatsApp or book online. Tell us about the All-in-One Touchscreen Not Working on your Microsoft all-in-one PC in Nalasopara West. No technical expertise needed.

02

Free Pickup & Drop

We pick up your Microsoft all-in-one PC from your Nalasopara West address at no transport cost. Bring it to us or we come to you.

03

₹350 Inspection

A Microsoft specialist examines your all-in-one PC and identifies the exact root cause of the All-in-One Touchscreen Not Working. Full written report provided — ₹350 fee refunded if you proceed with repair.

04

Transparent Quote

We share a detailed repair quote. Work begins only after your explicit approval — no hidden charges, no surprises.

05

Professional Repair

Our engineers fix the All-in-One Touchscreen Not Working using OEM-grade Microsoft parts. A 12-point quality checklist is completed before your all-in-one PC is returned.

06

90-Day Warranty + Delivery

Your Microsoft all-in-one PC is returned to your Nalasopara West address with a written 90-day warranty. Same fault recurs? We fix it free of charge.

Verified Customer Reviews

What Customers Say About Microsoft All-in-One Touchscreen Not Working in Nalasopara West

4.9/5 · 10 Reviews

Real customers · No paid reviews · All verified repairs

MSI PRO AP242 AIO — Storage Speed Upgrade

"Upgraded my MSI PRO AP242 AIO from HDD to NVMe SSD at Xigox Churchgate. Delicate disassembly of the all-in-one chassis done expertly. Boot time dropped from three minutes to eight seconds. Incredible transformation for an easy upgrade."

T
Tejas Bhat
📍 Nalasopara West · 19 Jul 2024
21
MSI PRO AP242 AIO — Logic Board Fix

"My MSI PRO AP242 AIO stopped powering on after a voltage fluctuation. Xigox Churchgate did chip-level repair on the power regulation circuit instead of full board replacement. Saved me thousands. Working perfectly for two months now."

N
Nikhil Pandey
📍 Nalasopara West · 5 Oct 2025
3
MSI PRO AP242 AIO — General AIO Repair

"My MSI PRO AP242 AIO was running extremely slow with fans at full speed. Xigox Churchgate cleaned internals, replaced thermal paste, and upgraded to SSD. Boots in ten seconds now and runs whisper-quiet. Feels brand new again."

V
Vikram Patel
📍 Nalasopara West · 2 May 2025
4
Acer Aspire C24-1750 — USB Port Fix

"Two USB ports on my Acer Aspire C24-1750 stopped working completely. Xigox Churchgate traced the issue to a blown fuse on the I/O board and replaced it. All ports working perfectly now. Board-level diagnostics at their best."

R
Ravi Shankar
📍 Nalasopara West · 4 Jul 2025
21
ASUS Zen AiO 24 M5401 — Storage Speed Upgrade

"Upgraded my ASUS Zen AiO 24 M5401 from HDD to NVMe SSD at Xigox Churchgate. Delicate disassembly of the all-in-one chassis done expertly. Boot time dropped from three minutes to eight seconds. Incredible transformation for an easy upgrade."

A
Ashish Shetty
📍 Nalasopara West · 1 Jan 2025
20
HP EliteOne 840 G9 AIO — USB Port Fix

"Two USB ports on my HP EliteOne 840 G9 AIO stopped working completely. Xigox Churchgate traced the issue to a blown fuse on the I/O board and replaced it. All ports working perfectly now. Board-level diagnostics at their best."

M
Mrinal Kulkarni
📍 Nalasopara West · 26 Oct 2024
5
Page 1 / 2

← Swipe or tap dots to browse →

Live — Recently Repaired All-in-One PCs

Imac
24-inch M1
✓ Fixed
6 days ago
Issue

Startup disk full, running very slow. Kernel panics.

Solution

Upgraded SSD to 1TB. Migrated data. Optimized macOS.

Dadar West 3 Hours
Storage iMac Upgrade
Lenovo
IdeaCentre AIO 3 24
✓ Fixed
4 days ago
Issue

Screen completely dark but faint image visible under flashlight. System running fine — audio and USB all working.

Solution

Diagnosed failed LED backlight driver board. Replaced driver IC and tested backlight uniformity across all zones. Full brightness restored.

Technician's Note

Backlight driver MOSFET shorted due to power surge. Recommended surge protector for prevention.

Thane West 2 Hours
Lenovo All-in-One Backlight
Apple
iMac 27-inch (2019)
✓ Fixed
2 days ago
Issue

iMac extremely slow — taking 5 minutes to boot. Fusion Drive HDD component failing with reallocated sectors.

Solution

Removed failing Fusion Drive. Installed 1TB NVMe SSD via PCIe adapter. Cloned macOS Ventura with all data intact. Applied fresh thermal past...

Technician's Note

SMART data showed 847 reallocated sectors on MQ01ABD100 HDD. New SSD benchmarks 2,800 MB/s read. Boot time now 12 seconds.

Bandra West 3.5 Hours
iMac SSD Upgrade Fusion Drive
Imac
24 M2
✓ Fixed
6 days ago
Issue

iMac shutting down randomly after 10-15 minutes of use. Sometimes not turning on at all.

Solution

Diagnosed intermittent power board failure. Replaced faulty voltage regulator components. iMac running stably.

Technician's Note

Power fluctuations in the area caused regulator damage. Recommended UPS for protection.

Borivali East 3 Hours
Power iMac Shutdown
Asus
Zen AiO 24 M5401
✓ Fixed
3 days ago
Issue

AIO running extremely hot. Fan constantly at full speed. Performance throttling during normal use.

Solution

Disassembled AIO. Cleaned dust-clogged fan and heatsink. Applied premium thermal paste. Temps dropped 20\u00b0C.

Technician's Note

AIO was 3 years old and never serviced. Recommended annual cleaning for slim AIO form factors.

Dadar West 1 Hour
Overheating ASUS AIO
Imac
24 M1
✓ Fixed
5 days ago
Issue

Two USB-C ports stopped working completely. External monitor and drives not detected.

Solution

Identified damaged USB controller IC on logic board. Micro-soldered replacement IC. All ports functional.

Technician's Note

USB-C controller required precision BGA rework. Saved customer from entire logic board replacement.

Malad West 5 Hours
Logic Board iMac USB-C
FAQs

FAQs — Microsoft All-in-One Touchscreen Not Working in Nalasopara West

Everything you need to know before booking your inspection

8 questions answered Verified & updated
Xigox repairs All-in-One Touchscreen Not Working on Apple, HP, Dell, Lenovo, Asus, Acer, MSI, Microsoft and Samsung, and more. Our engineers are trained on brand-specific procedures and we stock genuine-grade parts for the most common models, so most repairs in Nalasopara West are completed the same day. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
It depends on the age and value of the all-in-one PC. As a rule, if the repair costs less than a third of a comparable replacement and the rest of the hardware is healthy, repairing is worth it. After the inspection we tell you the honest repair cost and what a replacement would run, so the comparison is yours to make — we do not push a repair that is not worth doing. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
No. For any all-in-one PC that still powers on we take a full backup before touching the hardware, and for units that do not, we attempt recovery before repair. Your data is never accessed beyond what the repair requires, and nothing is copied off-site. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
For part replacements our technician works at your address in Nalasopara West. All-in-One Touchscreen Not Working that traces back to the board needs microscope and hot-air rework, so that job comes to the lab — with free pickup and drop either way. We tell you which category yours is before you commit. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
You bring it straight back. The same fault inside 90 days is covered under warranty — no second inspection fee, no diagnostic charge, no argument. Our re-repair rate runs under 2%, but the cover is there in writing precisely so you do not have to rely on that number. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
We use OEM or OEM-grade components and tell you which one your quote covers before work starts. We do not fit unbranded aftermarket parts or recycled pulls sold as new — part quality is the single biggest factor in whether a all-in-one PC repair lasts, so it is not somewhere we cut cost. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
That is what the ₹350 inspection is for. Symptoms overlap constantly — the same visible behaviour can come from three different components. We test rather than guess, then show you what we found before quoting. If the actual fault turns out to be something cheaper, the quote reflects that. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.
Usually not for long. Left alone, most faults of this kind put stress on neighbouring components and turn a contained repair into a board-level one. If you cannot bring it in immediately, tell us the symptoms on WhatsApp and we will tell you honestly whether it can wait a few days or should be powered down now. Customers across Nalasopara West (401203) enjoy priority same-day scheduling.

Still have questions?

Our team responds within 15 minutes on WhatsApp. Send us your question and get expert advice instantly.

Microsoft All In One / Laptop Repair in Nalasopara West — Xigox

Most Nalasopara West repair shops handle Microsoft the same way they handle every other make. We do not. Our Microsoft technicians are trained specifically on Microsoft All In One / Laptop architecture — schematics, boardview files and firmware behaviour — which is why our first-time fix rate on Microsoft work is so much higher than a general shop's.

Parts for Microsoft All In One / Laptop models are held in stock rather than ordered after you book, so most repairs are not waiting on a supplier. Screens, batteries, keyboards, charging boards and flex cables are all OEM-grade. You approve a written estimate first, and the ₹350 inspection is credited back against the repair.

We actively serve the entire 401203 postal area within Palghar district, ensuring same-day response for every repair request. ₹350 inspection fee (refunded if you proceed with repair). Located near Nalasopara West, our service coverage extends across Nalasopara West and all surrounding localities. In addition to Nalasopara West, we also provide doorstep repairs and free pickup for lab work for customers in Fun Fiesta Nalasopara, Sopara, Central Park Nalasopara and other nearby areas.

Straightforward Microsoft jobs — battery, keyboard, screen, SSD or RAM — are done at your address in Nalasopara West. Anything needing the microscope and hot-air station comes back to the lab, with free pickup and drop either way. We confirm within 15 minutes of booking and tell you honestly whether it is a same-day fix.

Every Microsoft repair at Xigox is covered by a 90-day warranty on all parts and labour. If the same fault recurs within the warranty period, we fix it at no charge. Our after-repair WhatsApp support means we are always available to answer questions about your Microsoft All In One / Laptop.

Service Hours
Monday – Sunday · 9 AM – 9 PM
Open on all public holidays
Service Area
Nalasopara West & surrounding Mumbai areas
Doorstep repairs + free pickup for lab work
Contact Us
info@xigox.com
Our Guarantee
90-day warranty on all repairs
Free re-repair if same fault recurs

Microsoft Series We Cover for All-in-One Touchscreen Not Working repair in Nalasopara West

Xigox keeps Microsoft parts and service documentation for 2 Microsoft series, so All-in-One Touchscreen Not Working repair on a Surface and Surface Studio machine is handled by someone who has seen that chassis before. We regularly take in Surface and Surface Studio units for All-in-One Touchscreen Not Working repair in Nalasopara West. Specific Microsoft models on our current service list include Microsoft Surface Hub 2S, Microsoft Surface Studio 2 and Microsoft Surface Studio 2 Plus. If your Microsoft model is not listed, it is almost certainly still covered — send us the model number on the base sticker and we will confirm parts availability before you book.

  • Surface
  • Surface Studio

All-in-One Touchscreen Not Working Repair for All Microsoft Models in Nalasopara West

Select your specific Microsoft model for a more targeted diagnosis page

All-in-One Touchscreen Not Working Repair for Other Brands in Nalasopara West

We fix All-in-One Touchscreen Not Working across all major laptop and computer brands with the same quality and warranty

Areas, Roads & Landmarks We Cover in Nalasopara West

Free pickup & drop across all these neighbourhoods

📍 Localities & Neighbourhoods

Nalasopara East Nalasopara West Achole Vasai Virar Pelhar

🛣️ Roads & Highways

Tulinj Road Navghar Road

Landmarks & Famous Places

Nalasopara Station

Microsoft All-in-One Touchscreen Not Working Repair — All Locations

Explore More Services

More Repair & Tech Services Near Nalasopara West

Same certified technicians · Free pickup · 90-day warranty across all services.

₹350 Inspection (refunded if you proceed with repair) · 1,00,000+ Repairs · 4.9 ★ · 90-Day Warranty

Fix Your Microsoft Device's
All-in-One Touchscreen Not Working Today

₹350 Inspection (refunded if you proceed with repair) · Expert repair for All-in-One Touchscreen Not Working · 90-day warranty

Serving Nalasopara West and all of Mumbai MMR · Open 9 AM – 9 PM daily

Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West — Professional, Reliable, and Affordable

Tired of middlemen? Work with the actual repair team — Xigox. Cheap replacement screens fail within 3–6 months — colour drift, backlight bleed, and dead pixels. Xigox Nalasopara West sources OEM-grade or manufacturer-equivalent panels only: correct nit rating, colour gamut, and touch response curve — backed by a written 90-day warranty.

Authentic Components for Microsoft All-in-One Touchscreen Not Working Repair

Longevity matters for Microsoft All-in-One Touchscreen Not Working Repair. Because of this, our Nalasopara West service centre strictly uses OEM-grade parts for your Microsoft. Unlike unverified repairers in Nalasopara West that install grey-market components, we source directly from certified suppliers. This guarantees your Microsoft All-in-One Touchscreen Not Working Repair will last, supported by our standard 90-day warranty.

Any Microsoft, Any Brand in Nalasopara West

No matter the Microsoft you own, Xigox handles Microsoft All-in-One Touchscreen Not Working Repair. Xigox engineers are trained across all major brands: HP, Dell, Lenovo, Asus, Acer, MSI, Toshiba, Samsung and Apple MacBook. Different manufacturers have unique design choices we account for in every repair. This depth of brand knowledge reduces repair time and lowers the chance of secondary damage.

Cost-Effective Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West

Premium Microsoft All-in-One Touchscreen Not Working Repair doesn't have to be expensive in Nalasopara West. By optimizing our repair processes, we offer savings of up to half the cost compared to official repair outlets. You get the same OEM components for your Microsoft, without the massive markup. Request a price estimate for Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West today.

Xigox Service Promise for Microsoft All-in-One Touchscreen Not Working Repair

Xigox's responsibility extends beyond the repair itself. Our Nalasopara West support line is available daily via call or message. If you notice anything unusual within 90 days of your Microsoft All-in-One Touchscreen Not Working Repair, just reach out and we dispatch a technician immediately. This promise is why Nalasopara West customers choose Xigox again and again.

Same-Day Rush Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West

Need your Microsoft fixed urgently? We provide rush Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West for urgent situations. Whether you have an important client meeting and your Microsoft just stopped working, our priority service guarantees completion within 4–6 hours. Emergency Microsoft All-in-One Touchscreen Not Working Repair are available 7 days a week in Nalasopara West. Simply mention 'URGENT' when booking and we'll prioritise your Microsoft All-in-One Touchscreen Not Working Repair immediately.

Guaranteed Protection for Microsoft All-in-One Touchscreen Not Working Repair

All Microsoft All-in-One Touchscreen Not Working Repair completed by Xigox in Nalasopara West comes with a written three-month warranty on parts and labour. That means, if anything goes wrong within 3 months, we fix it at zero extra cost. Many repair shops in Nalasopara West offer no such guarantee — Xigox issues a written warranty card every single time.

Premium Protection Microsoft All-in-One Touchscreen Not Working Repair Options

A common question is whether an extended warranty applies to Microsoft All-in-One Touchscreen Not Working Repair. We accept insurance claims and can provide the itemised bill your insurer needs — including parts cost, labour cost, and fault description. When manufacturer warranty has expired, our repair is almost always 30–50% cheaper compared to the official service centre.

Post-Repair Performance Microsoft All-in-One Touchscreen Not Working Repair

Following a professional Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West, you can expect significantly better performance: faster boot times, lower fan noise, full-day battery performance, or crisp, bright display — based on what was fixed. Xigox performs a benchmark at the end of every Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West to document the improvement.

Trained Technicians for Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West

Not all shops in Nalasopara West has the skills for complex Microsoft All-in-One Touchscreen Not Working Repair. Our technicians undergo rigorous training dealing with Microsoft hardware. From basic part swaps to complex micro-soldering, we handle it all right here for Nalasopara West clients.

Rigorous Testing after Microsoft All-in-One Touchscreen Not Working Repair

Fixing the immediate problem is only half the job at Xigox. Prior to delivery in Nalasopara West, it must pass a comprehensive 20-point quality check. Our team ensures that the Microsoft All-in-One Touchscreen Not Working Repair was 100% successful, checking port functionality. This meticulous testing is the reason for our 4.9★ rating across Nalasopara West.

Don't gamble with cheap, unverified repairers in Nalasopara West. Xigox combines certified engineers, OEM-grade spares, upfront pricing, and a real warranty on every Microsoft All-in-One Touchscreen Not Working Repair. Book your Microsoft All-in-One Touchscreen Not Working Repair today — call or WhatsApp +91 74997 61196 for same-day service in Nalasopara West.

Microsoft All-in-One Touchscreen Not Working Repair in Nalasopara West — Service Area & Coverage

Xigox provides microsoft all-in-one touchscreen not working repair across Nalasopara West (PIN 401203), in the Palghar district of Nalasopara. Our doorstep pickup and on-site service cover the entire Nalasopara West area and the neighbourhoods around it.

Localities we cover in Nalasopara West: Nalasopara East, Nalasopara West, Achole, Vasai, Virar, Pelhar. Wherever you are in Nalasopara West, a certified Xigox technician can reach you — usually within 30–60 minutes.

Our technicians regularly serve homes, societies and offices around Nalasopara Station, and along Tulinj Road and Navghar Road. If you're near any of these landmarks, same-day pickup for microsoft all-in-one touchscreen not working repair is almost always available.

Microsoft All-in-One Touchscreen Not Working Repair near Nalasopara West

We also serve these nearby areas — tap your locality for local microsoft all-in-one touchscreen not working repair:

Same-Day Repair Available

Microsoft All-in-One Touchscreen Not Working Repair — Book Now

Free pickup · Genuine parts · 90-day warranty

Booking Confirmed!

We'll call you within 1 hour to confirm your appointment and arrange doorstep pickup.

Inspection Fee: ₹350

  • Refunded if you proceed — credited toward total repair cost
  • Applies if laptop is not repairable or you decline repair

+91

Inspection Fee: ₹350

  • If you proceed with the repair, ₹350 is refunded — applied as a credit toward your total repair cost.
  • If your laptop is not repairable or you decide not to continue, the ₹350 inspection fee will still apply.

By submitting, you agree to our Privacy Policy.

Your info is 100% private — never shared
ISO
Call Now Same-Day · 90-Day Warranty WhatsApp