Skip to main content
Same-Day Service Available in JVPD Scheme

MacBook No Sound Fix in JVPD Scheme

Certified MacBook No Sound Issue in JVPD Scheme by Apple-experienced technicians. We handle all Mac, MacBook, iMac, and Mac Mini issues including logic board repair, display replacement, and SSD upgrade. Genuine parts with 90-day warranty.

✅ ₹350 Inspection (Refunded if Repaired) 🔬 Chip-Level Repair Experts 🔒 Data-Safe Guarantee 🔩 Genuine Parts 🛡️ 90-Day Warranty 🚚 Free Pickup & Drop
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
⚡

Quick facts

Typical price

₹2,499–₹12,000+

Turnaround

2–6 hours

Warranty

90-day warranty

Professional MacBook No Sound Fix in JVPD Scheme

Certified MacBook No Sound Issue in JVPD Scheme by Apple-experienced technicians. We handle all Mac, MacBook, iMac, and Mac Mini issues including logic board repair, display replacement, and SSD upgrade. Genuine parts with 90-day warranty.

Don't waste time on booking portals. Reach the engineers directly with Xigox. Apple's M-series architecture puts everything on a single package — making certain faults more complex. In JVPD Scheme, Xigox's Apple engineers are up to date on Apple Silicon failure patterns: I2C bus faults, SMC configuration resets, and T2 secure boot diagnosis. When it's MacBook No Sound Fix you need in JVPD Scheme, Xigox applies this same standard: a written quote before any work begins, genuine-grade parts, and a 90-day warranty covering the finished MacBook No Sound Fix — parts and labour both.

Our MacBook No Sound Fix Process Works

Arranging this job in JVPD Scheme is incredibly hassle-free. Step 1, call or WhatsApp us at +91 74997 61196 to describe your issue. Next, our complimentary collection driver arrives at your JVPD Scheme doorstep within 1–2 hours. The team then carry out a thorough diagnostic (₹350, credited toward your repair). Once you agree, this job is executed with genuine parts — and your MacBook is returned to you. Most repairs done same day.

Authentic Components for MacBook No Sound Fix

Quality matters for this repair. Because of this, our JVPD Scheme service centre strictly uses genuine parts for your MacBook. Unlike unverified repairers in JVPD Scheme that install fake components, we source directly from certified suppliers. This guarantees your this repair will last, supported by our standard 90-day warranty.

Same-Day MacBook No Sound Fix — How It Works

Wondering how fast Xigox can complete this job in JVPD Scheme? Our standard process: First — call or WhatsApp +91 74997 61196 and our pickup technician reaches you within 30–60 minutes. Step 2 — our inspection identifies the exact fault. Next — you give the go-ahead via WhatsApp — completely your decision. Finally — this job is executed using genuine parts in our certified lab, often same day. Then — we return it to you fully tested.

Free Logistics across JVPD Scheme For MacBook No Sound Fix specifically, Xigox's JVPD Scheme team follows this exact certified process from start to finish — free pickup, transparent written quote, genuine-grade parts, and a 90-day warranty on the completed MacBook No Sound Fix.

Traveling across town in JVPD Scheme is stressful. That's why Xigox has built a straightforward pickup and delivery network for this repair. Just drop your pin, and our technician will pick up the MacBook from your home or office. After the this repair is completed, it is delivered back fully tested and sealed. Save your time without leaving your desk.

Free Diagnostics in JVPD Scheme For MacBook No Sound Fix specifically, Xigox's JVPD Scheme team follows this exact certified process from start to finish — free pickup, transparent written quote, genuine-grade parts, and a 90-day warranty on the completed MacBook No Sound Fix.

Uncertain about the issue with your MacBook? Prior to starting any this job, Xigox performs a thorough diagnostic check. The ₹350 inspection fee, it is 100% refunded if you proceed with the repair. Our technicians in JVPD Scheme will show you the broken part in plain English so you can make an informed decision.

Enterprise MacBook No Sound Fix in JVPD Scheme

Businesses across JVPD Scheme trust our this repair to maintain productivity. We offer AMC agreements, priority SLA turnaround, and a single point of contact. From a small team or an entire floor, Xigox manages this repair for your JVPD Scheme workspace with GST invoices and complete service reports.

The Best Choice for MacBook No Sound Fix in JVPD Scheme

There are many repair shops in JVPD Scheme, however, Xigox stands out for this job. We believe in 100% upfront pricing. Each this job begins with a thorough diagnostic inspection for ₹350, which is fully refunded if you proceed. No surprise fees — only expert this job in JVPD Scheme.

Apple Silicon & Intel Mac MacBook No Sound Fix in JVPD Scheme

MacBooks and iMacs require certified knowledge for this repair — standard tools are not compatible with Apple Silicon architecture. Xigox engineers in JVPD Scheme are trained in MacBook disassembly protocols: T2 chip firmware, covering MacBook Air M1, M2, M3. Parts are sourced from certified Apple channels.

Safe & Secure MacBook No Sound Fix

Your private information is fully protected during your this job. Residents across JVPD Scheme rely on Xigox because we follow strict data privacy protocols. During the this job, your photos, emails, and passwords are completely secure. In cases where OS reinstallation is required, we will always inform you first.

Any MacBook, Any Brand in JVPD Scheme

No matter the MacBook you own, Xigox handles this repair. Our JVPD Scheme technicians are brand-agnostic experts: MacBook Air, MacBook Pro, iMac, Mac mini and Mac Studio. Each brand has quirks in their assembly that our team knows well. Model-specific experience cuts diagnostic time and improves first-time fix rates.

Your MacBook is an investment — keep it running with JVPD Scheme's preferred MacBook No Sound Fix experts. Xigox has helped over 10,000 JVPD Scheme residents with transparent billing. Need a quick fix? WhatsApp us at +91 74997 61196 for priority MacBook No Sound Fix in JVPD Scheme.

· Verified by Xigox certified technicians

MacBook No Sound Fix — Pricing

Transparent pricing. ₹350 inspection fee (refunded if you proceed with repair). Exact quote before work starts. No hidden charges.

Issue / ComponentRepair PriceWarranty
Component-Level Repair ₹1,999 - ₹4,999 3 Months
Major Hardware Repair ₹4,999 - ₹9,999 3 Months
Diagnostic & Minor Fix ₹499 - ₹1,499 1 Month
Premium Repair Package ₹7,999 - ₹14,999 6 Months

* Inspection fee ₹350 (refunded if you proceed with repair). Final price confirmed after diagnosis. No hidden charges.

⚙️ Our Process

How We Handle MacBook No Sound Fix in JVPD Scheme

Serving JVPD Scheme and Juhu, Juhu Tara Road, Andheri West with a repair process designed for zero hassle and maximum transparency.

1
Step 1 Step 1: Get In Touch with Our JVPD Scheme Team FREE

Get In Touch with Our JVPD Scheme Team

Call, WhatsApp, or fill out our online form. Share your product type (laptop, desktop, all-in-one PC, printer) and the issue you're experiencing. We respond within minutes with repair availability.

2
Step 2 Step 2: Doorstep Service or Free Pickup

Doorstep Service or Free Pickup

For part replacements (battery, keyboard, screen, SSD, RAM), our technician visits your JVPD Scheme doorstep. For chip-level and body repairs, free pickup and drop from your JVPD Scheme address. Safe handling and padded transport guaranteed. We cover the entire 400049 postal area with priority pickup scheduling.

3
Step 3 Step 3: Transparent Diagnosis & Quote

Transparent Diagnosis & Quote

Our certified engineer diagnoses your laptop or computer at our lab. ₹350 inspection fee applies (fully refunded if you proceed with the repair). You receive a clear, itemised written quote before any repair work begins. No surprises, no hidden fees. Our 4.9★ rating across 15,244+ reviews reflects our commitment to thorough quality assurance.

4
Step 4 Step 4: Professional Repair with Genuine Parts

Professional Repair with Genuine Parts

Using OEM-grade components and manufacturer-approved techniques, our technicians repair your laptop or computer to factory-level quality. Most common repairs are completed the same day.

5
Step 5 Step 5: Free Delivery + 90-Day Warranty

Free Delivery + 90-Day Warranty

Your repaired laptop or computer is delivered back to your JVPD Scheme doorstep at zero cost. Every repair includes a 90-day written warranty covering parts and labour. Trusted by customers across Mumbai Suburban district — 4.9★ rated.

Ready to start? Call or WhatsApp now for a ₹350 inspection (refunded if you proceed with repair) and same-day service from JVPD Scheme.

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 IC-level soldering stations and microscopic diagnostic equipment. When you trust us with your MacBook No Sound Fix, it stays securely in our controlled environment.

No Third-Party Outsourcing Strict Data Confidentiality
Tech diagnosing MacBook No Sound Fix in Mumbai
Specialist Logic Board Repair for MacBook No Sound Fix
Why Xigox?

Why Choose Xigox for MacBook No Sound Fix?

Over 15,244+ reviewers across Mumbai trust Xigox for professional, transparent and affordable MacBook No Sound Fix. Serving all addresses in the 400049 postal zone.

Post-Repair WhatsApp Support

WhatsApp support after every MacBook No Sound Fix job. We answer laptop and computer questions — always free.

Free Pickup & Delivery

Collection and return anywhere in JVPD Scheme at no charge. Doorstep MacBook No Sound Fix costs the same as bringing it to us — we do not bill convenience.

No Fix, No Charge

If we cannot resolve your MacBook No Sound Fix issue you pay nothing beyond the inspection, and the device comes back exactly as we received it.

Open 7 Days, 9 AM–9 PM

Including Sundays and public holidays. Weekend and evening slots in JVPD Scheme are usually the easiest to book.

Live Status on WhatsApp

Updates at collection, diagnosis, quote, completion and dispatch — and you reply straight to the technician handling your MacBook No Sound Fix, not a helpline.

Your Data Stays Private

Technicians do not browse personal files during MacBook No Sound Fix. If a procedure could touch stored data we tell you before, not after.

1,00,000+
Repairs Completed
Since 2011
4.9 ★
Average Rating
15,244+ 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 Mumbai Suburban

Xigox vs Other MacBook No Sound Fix Options in JVPD Scheme

See why customers choose us over local shops and directory listings

FeatureXigoxDirectory ListingsLocal Shops
Certified Technicians✅ Yes❓ Varies❓ Varies
Transparent Pricing (₹350 Inspection)✅ Yes❌ Hidden❌ Often Hidden
90-Day Warranty✅ Yes❌ No❓ 15-30 Days
Free Pickup & Drop✅ Yes❌ No❌ No
Genuine Parts✅ OEM Parts❓ Unknown❌ Often Refurb
Same-Day Service✅ Most Repairs❓ Varies❓ 2-5 Days
Google Rating★ 4.9 (15,244+)N/A★ 3-4
ISO 9001 Certified✅ Yes❌ No❌ No

Live — Recently Repaired Laptops

💻
Macbook
Pro M3 14-inch
✓ Fixed
1 day ago
Issue

Screen shows vertical lines, external display works fine.

Solution

Replaced LCD panel and display cable. Updated display drivers.

Virar West 3 Hours
Screen MacBook Display
💻
Dell
Latitude 5430
✓ Fixed
6 days ago
Issue

Battery draining from 100% to 0% in 45 minutes. Dell diagnostics showing battery wear 85%.

Solution

Replaced battery with genuine Dell cell. Calibrated battery controller. Restored to 7+ hours backup.

Technician's Note

Corporate laptop with heavy daily use. Battery had exceeded 800 charge cycles.

Borivali West 45 Minutes
Battery Dell Corporate
💻
Acer
Aspire 5 A515
✓ Fixed
3 days ago
Issue

Laptop extremely slow with original 1TB HDD. Boot time over 3 minutes.

Solution

Upgraded to 512GB NVMe SSD. Cloned all data. Installed fresh Windows 11 with drivers. Boot time reduced to 8 seconds.

Technician's Note

HDD was healthy — kept as secondary storage. Massive performance improvement.

Dadar West 2 Hours
SSD Acer Upgrade
💻
Macbook
Air M2
✓ Fixed
5 days ago
Issue

Water spilled on keyboard. Laptop dead, no response to charger. Corrosion visible on logic board.

Solution

Ultrasonic cleaning of logic board. Replaced 2 corroded ICs and damaged keyboard flex cable. Full functionality restored.

Technician's Note

Water had not reached SSD — all data intact. Board-level repair saved customer from logic board replacement.

Malad West 6 Hours
Water Damage MacBook Board Repair
💻
Hp
Pavilion x360
✓ Fixed
4 days ago
Issue

Right hinge broken, screen wobbling. Back panel cracked near hinge mount.

Solution

Replaced both hinges with reinforced metal hinges. Repaired back panel crack with epoxy bonding.

Technician's Note

Common issue in x360 convertible models. Both hinges replaced for balanced tension.

Goregaon West 2 Hours
Hinge HP Convertible
💻
Asus
VivoBook 15
✓ Fixed
2 days ago
Issue

Laptop dead — no power, no charging LED. Other repair shops quoted motherboard replacement.

Solution

Diagnosed failed power IC using multimeter. Replaced IC at chip level. Laptop boots and charges normally.

Technician's Note

Power surge damaged the charging IC. Recommended using a surge protector.

Powai 4 Hours
Motherboard ASUS Chip-Level
Customer Reviews

What Customers Say About MacBook No Sound Fix in JVPD Scheme

4.9/5 · 18 Reviews

What our customers say about their repairs

Alienware x14 — Alienware Touchpad Replacement

"My Alienware Touchpad Replacement had a tricky issue — Xigox handled the Alienware x14 carefully and it works perfectly now."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
T
Tanvi Bhatt
📍 Bandra · 16 Jul 2026
9
Alienware m15 — Alienware Screen Replacement

"Excellent Alienware Screen Replacement repair for my Alienware m15. Xigox diagnosed the issue fast and used a genuine part."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
N
Neha Kapoor
📍 Goregaon · 18 Jul 2026
7
Alienware x14 — Alienware Power Jack Repair

"My Alienware Power Jack Repair had a tricky issue — Xigox handled the Alienware x14 carefully and it works perfectly now."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
D
Devansh Gupta
📍 Colaba · 21 Jul 2026
4
Alienware m15 — Alienware Motherboard Replacement

"Excellent Alienware Motherboard Replacement repair for my Alienware m15. Xigox diagnosed the issue fast and used a genuine part."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
K
Karan Malhotra
📍 Borivali · 23 Jul 2026
2
Alienware x14 — Alienware Keyboard Repair

"My Alienware Keyboard Repair had a tricky issue — Xigox handled the Alienware x14 carefully and it works perfectly now."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
T
Tanvi Bhatt
📍 Goregaon · 26 Jul 2026
9
Alienware m15 — Alienware Hard Drive Replacement

"Excellent Alienware Hard Drive Replacement repair for my Alienware m15. Xigox diagnosed the issue fast and used a genuine part."

Xigox Reply: Thank you for trusting Xigox with your Alienware repair.
N
Neha Kapoor
📍 Dadar · 28 Jul 2026
7
Page 1 / 3

← Swipe or tap dots to browse →

💬 REAL CUSTOMER STORIES

Real Customer Stories

Hear from real people who trusted Xigox with their laptops and computers

"
★ ★ ★ ★ ★

"Laptop screen shattered after a fall. Xigox replaced it with an original panel — display looks brand new. Finished in 4 hours, same day. Highly recommend!"

HP Pavilion 15 eg2000
R
Ravi Shankar
Andheri West
✓ VERIFIED
"
★ ★ ★ ★ ★

"Keyboard stopped working completely — spilled juice on it. Xigox cleaned and replaced the keyboard. Professional job, data safe, warranty given. Superb!"

Lenovo IdeaPad Slim 3
M
Meenakshi Nair
Dadar
✓ VERIFIED
"
★ ★ ★ ★ ★

"Laptop was overheating and shutting down every 20 minutes. Xigox cleaned the fan, replaced thermal paste. Now it runs cool and silent. ₹499 well spent!"

ASUS VivoBook 14
S
Saurabh Joshi
Borivali
✓ VERIFIED
"
★ ★ ★ ★ ★

"Motherboard was dead — no power at all. Xigox did chip-level repair instead of replacing the whole board. Saved ₹8000. Running perfectly for 6 months now!"

Dell Inspiron 3511
P
Pooja Tiwari
Thane West
✓ VERIFIED
"
★ ★ ★ ★ ★

"Battery was swollen and trackpad stopped clicking. Xigox replaced the battery safely. MacBook performance is back to day-one speed. Expert Apple technicians!"

MacBook Air M1
A
Anil Chauhan
Malad
✓ VERIFIED
"
★ ★ ★ ★ ★

"Charging port was loose and not connecting. Xigox repaired the port in 2 hours. No data loss, 90-day warranty. Office productivity restored immediately!"

HP EliteBook 840 G8
N
Nandini Kulkarni
Kandivali
✓ VERIFIED
500+
Customers Served
4.9
Average Rating
Same Day
Most Repairs Completed
90 Days
Warranty on Repairs
FAQs

Frequently Asked Questions — MacBook No Sound Fix

Everything you need to know about MacBook No Sound Fix in JVPD Scheme

10 questions answered Verified & updated
Yes — Xigox always provides a free, no-obligation diagnosis before commencing any MacBook No Sound Fix in JVPD Scheme. Our technician inspects your laptop and gives you a clear written estimate. You only pay if you approve the repair. Zero commitment, zero risk. Customers across JVPD Scheme (400049) enjoy priority same-day scheduling.
We accept all major payment methods for MacBook No Sound Fix in JVPD Scheme: UPI (Google Pay, PhonePe, Paytm), debit/credit cards, net banking, and cash. Payment is collected after the repair is completed to your satisfaction — we never charge upfront without consent. We've been serving Mumbai Suburban district for over 15 years.
Yes — out-of-warranty laptops are most of what we handle in JVPD Scheme. Once the manufacturer warranty lapses, authorised centres often quote near-replacement prices for a single component. We repair at component level where it is safe to do so, which is usually a fraction of that cost, and back it with our own 90-day warranty. Trusted by customers throughout Mumbai Suburban — rated 4.9★ across 15,244+ reviews.
You pay nothing beyond the ₹350 inspection. If we cannot resolve the fault, we explain exactly what we found, return your laptop in the condition we received it, and — where the economics do not justify a repair — tell you so plainly rather than selling you work that is not worth doing. Our service covers the full 400049 postal area in JVPD Scheme.
For software faults, setup, upgrades and diagnostics we can work on-site anywhere in JVPD Scheme. Component-level work — board repair, screen bonding, liquid-damage recovery — needs workshop equipment, so we collect the laptop, repair it, and return it. Both options are free of travel charges. Free pickup also available in Juhu, Juhu Tara Road, Andheri West and surrounding areas.
We send live updates over WhatsApp at each stage: collection, diagnosis, quote approval, repair completion, and dispatch. You can reply to that thread at any point to reach the technician handling your laptop rather than a general helpline. We also serve Juhu, Juhu Tara Road, Andheri West, so you can recommend us to neighbours too.
Back up documents, photos and anything stored only on that laptop before any repair — with us or anyone else. Most MacBook No Sound Fix work does not touch your data, but board-level faults and storage failures can be unpredictable. Tell us in advance if the drive holds irreplaceable data and we will treat recovery as the first priority. Customers near JVPD Scheme in JVPD Scheme get our fastest response times.
Our rule of thumb: if the repair costs more than roughly half of a comparable replacement and the laptop is more than five years old, replacement is usually the better call. We tell you which side of that line you are on during the inspection in JVPD Scheme, even when the answer means we do not get the job. We also serve Juhu, Juhu Tara Road, Andheri West, so you can recommend us to neighbours too.
Yes — Xigox operates 9 AM to 9 PM, seven days a week in JVPD Scheme, including Sundays and public holidays. Weekend pickups are often the most convenient option for people who cannot be at home on a working day. Free pickup also available in Juhu, Juhu Tara Road, Andheri West and surrounding areas.
Yes, on request. Any component we remove during MacBook No Sound Fix is yours, and we will hand it back with the repaired laptop so you can see exactly what was changed. Just mention it when you approve the quote. We also serve Juhu, Juhu Tara Road, Andheri West, so you can recommend us to neighbours too.

Still have questions?

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

Explore More Services

More Repair & Tech Services Near JVPD Scheme

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

Same-Day Repair Available

Book MacBook No Sound Fix — Free Pickup

Get your laptop or computer fixed today. Fill in 4 fields and we'll call within 1 hour.

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

Get Your Laptop or Computer Fixed Today

MacBook No Sound Fix in JVPD Scheme. Free pickup • 90-day warranty • Genuine parts

⏰ Open All Days · 9 AM – 9 PM · Reply within 15 minutes

What MacBook No Sound Fix Means on a MacBook

MacBooks are sealed, glued and board-integrated, so almost nothing is a plug-in swap. Repairs are component-level work on the logic board, not module replacement.

Why it happens on MacBook Air and MacBook Pro owners

  • •Thermal paste degradation on tightly packed M-series and Intel boards
  • •Blocked rear-vent airflow under the hinge
  • •Liquid ingress through the keyboard into the logic board
  • •Swollen battery pressing on the trackpad and top case

What our MacBook technician checks

  • ✓Apple Diagnostics and full board voltage-rail read
  • ✓Thermal imaging of the heat pipe and fan assembly
  • ✓Corrosion inspection under the keyboard membrane
  • ✓Battery cycle count and health via system report

MacBook hardware we work on

  • Apple Silicon M-series and Intel logic boards
  • Butterfly and Magic Keyboard assemblies
  • Retina display assemblies with bonded glass
  • Battery packs adhesived into the top case
  • Thunderbolt / USB-C charging boards
  • T2 security chip and SSD soldered to board

Models we see most often

  • MacBook Air M1 / M2
  • MacBook Pro 13" Touch Bar
  • MacBook Pro 14" and 16" M-series
  • MacBook Pro Retina 15"

Because storage is soldered on T2 and Apple Silicon boards, we take a full image before any board work so nothing is lost if the SSD controller is affected.

Do you use genuine Apple parts?

We use OEM-grade and original-pull Apple components, and we tell you which one your quote covers before any work starts. Board-level repair keeps costs well below Apple's whole-unit replacement price.

MacBook No Sound Fix in JVPD Scheme — Service Area & Coverage

Xigox provides macbook no sound fix across JVPD Scheme (PIN 400049), in the Mumbai Suburban district of Mumbai. Our doorstep pickup and on-site service cover the entire JVPD Scheme area and the neighbourhoods around it.

Localities we cover in JVPD Scheme: Juhu, Vile Parle West. Wherever you are in JVPD Scheme, a certified Xigox technician can reach you — usually within 30–60 minutes.

Our technicians regularly serve homes, societies and offices around Juhu Beach and Prithvi Theatre, and along JVPD Road and Gulmohar Road. If you're near any of these landmarks, same-day pickup for macbook no sound fix is almost always available.

MacBook No Sound Fix near JVPD Scheme

We also serve these nearby areas — tap your locality for local macbook no sound fix:

Nearest pickup point: Vile Parle East

~2.5 km from JVPD Scheme — free doorstep pickup means our technician comes to you, this is just our nearest coordination point.

Call Now Same-Day · 90-Day Warranty WhatsApp