Skip to main content
💚 DDR4 RAM — From ₹1,800 / 8GB Module

DDR4 RAM Upgrade in Kamani

Upgrade your laptop or desktop with genuine DDR4 RAM in Kamani. Available in 4GB, 8GB, 16GB, and 32GB configurations — 2400MHz to 3200MHz speeds. Professional installation in 30 minutes with 1-year warranty.

⚙️
DDR4
2133–3600MHz Range
📊
4–32GB
Per Module Capacity
💻
Most Laptops
2015–2024 Compatible
💰
₹1,000+
Starting Price
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

Why DDR4 RAM Upgrade Is the Smart Choice in Kamani

DDR4 remains the most widely compatible, most affordable, and most available RAM standard in 2026.

🏆

Universal Compatibility

DDR4 is compatible with 90%+ of laptops and desktops in use today (Intel 6th–12th Gen, AMD Ryzen 1000–5000). Virtually guaranteed to fit your laptop or desktop.

💰

Best Value Per GB

DDR4 prices have dropped dramatically — a 16GB stick costs 40% less than DDR5 equivalent. Maximum performance per rupee spent.

📦

Immediate Availability

DDR4 modules from Samsung, Crucial, Kingston always in stock in all sizes: 4GB, 8GB, 16GB, 32GB. No waiting for supply.

Still Plenty Fast

DDR4-3200MHz is more than enough for multitasking, video editing, coding, and even gaming. Only 10–15% behind DDR5 in real-world usage.

How DDR4 RAM Upgrade Works in Kamani

We verify exact DDR4 specs for your laptop or computer, source the right module, and install with verification.

1
🔍

Identify DDR4 Specifications

We check your laptop or computer for exact DDR4 speed (2133/2400/2666/3200 MHz), voltage (1.2V), CAS latency, and slot count.

⏱ 5 min
2
📦

Source Matching Module

Genuine Samsung, Crucial, or Kingston DDR4 SODIMM/DIMM matched to your system's speed and latency specs.

⏱ In stock
3
🧩

Professional Installation

Anti-static installation, correct slot seating, dual-channel pairing (if applicable), BIOS clock speed verification.

⏱ 15–20 min
4

Stress Test & Benchmark

MemTest86 validation, Windows memory diagnostic, real-world speed comparison — all verified before handover.

⏱ 10 min

DDR4 RAM Specifications Guide — Kamani

📊
DDR4-2133 (PC4-17000)
Base DDR4 speed. Found in older 6th/7th Gen Intel laptops. Minimum available speed.
Entry Level
📈
DDR4-2400 (PC4-19200)
Common in 7th/8th Gen Intel. Widely compatible and still very capable.
Standard
DDR4-2666 (PC4-21300)
Default speed for most 8th/9th/10th Gen laptops. Sweet spot of price and performance.
Popular
🚀
DDR4-3200 (PC4-25600)
Fastest standard DDR4 speed. Default for 11th/12th Gen Intel and AMD Ryzen laptops.
Optimal
💻
SODIMM (Laptop)
Small outline form factor — 260-pin. Used in all laptops with upgradeable RAM.
Compact
🖥️
DIMM (Desktop)
Full-size 288-pin module. Used in desktop towers and workstations.
Full-Size
🔬
Single-Rank vs Dual-Rank
Dual-rank modules offer 5–10% more bandwidth. We match rank for optimal dual-channel.
Technical
🔋
1.2V Standard Voltage
All DDR4 runs at 1.2V — significantly lower power than DDR3's 1.5V. Better battery life.
Universal
⏱️
CAS Latency (CL15–CL22)
Lower CL = faster response. CL16–CL19 is optimal range. We match existing module timing.
Timing
📦
4GB Module
Minimum upgrade for 2GB systems. Suitable only for very light usage in 2026.
Basic
📦
8GB Module
The sweet spot. 8GB total is the 2026 minimum for comfortable daily computing.
Standard
📦
16GB Module
Ideal for professionals. 16–32GB total handles heavy multitasking, editing, development.
Recommended

DDR4 RAM Upgrade — All Laptop & Desktop Brands in Kamani

DDR4 compatible with virtually every brand from 2015 to 2024.

DDR4 RAM Prices in Kamani

Genuine DDR4 modules at best prices. Installation + pickup/delivery included free.

Repair TypeStarting PriceSpeed
DDR4 4GB SODIMM (Laptop)₹1,0002666/3200MHz
DDR4 8GB SODIMM (Laptop)₹1,8002666/3200MHz
DDR4 16GB SODIMM (Laptop)₹3,2003200MHz
DDR4 32GB SODIMM (Laptop)₹5,8003200MHz
DDR4 8GB DIMM (Desktop)₹1,6002666/3200MHz
DDR4 16GB DIMM (Desktop)₹2,8003200MHz
DDR4 32GB DIMM (Desktop)₹5,2003200MHz
DDR4 2×8GB Dual-Channel Kit₹3,6003200MHz
DDR4 2×16GB Dual-Channel Kit₹5,6003200MHz

* All prices include genuine module + free installation + free pickup/delivery in Kamani. 1-year warranty. Samsung/Crucial/Kingston brands.

What Customers Say About DDR4 RAM Upgrade in Kamani — 8GB / 16GB / 32GB

Reviews from Kamani customers who used our ddr4 ram upgrade service

"Wasn't sure Xigox serviced my Fujitsu WiFi Card Replacement, but they were fully equipped for the Fujitsu laptop and fixed it fast."

Rohan Verma 📍 Colaba

"Booked Fujitsu Virus Removal for my Fujitsu laptop online. Doorstep pickup and clear communication throughout."

Priya Menon 📍 Chembur

"Needed Fujitsu Touchpad Replacement for my Fujitsu laptop — Xigox technicians handled it professionally with a warranty."

Devansh Gupta 📍 Borivali

"Fujitsu SSD Upgrade on my Fujitsu laptop was completed same day with fair, transparent pricing."

Sanjana Rao 📍 Bandra

"Excellent Fujitsu Screen Replacement service for my Fujitsu laptop. Diagnosed quickly and used a proper replacement part."

Karan Malhotra 📍 Andheri

"Wasn't sure Xigox serviced my Fujitsu Screen Repair, but they were fully equipped for the Fujitsu laptop and fixed it fast."

Ritika Suri 📍 Powai
💬 REAL CUSTOMER STORIES

Real Customer Stories

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

"
★ ★ ★ ★ ★

"My Yoga's 360-degree hinge cracked. Xigox sourced genuine Lenovo hinges and replaced them. Flips perfectly again. Very impressed with the turnaround time!"

Lenovo Yoga 9i
N
Neha Khatri
Chembur
✓ VERIFIED
"
★ ★ ★ ★ ★

"Laptop was extremely slow. Xigox upgraded RAM from 8GB to 16GB and replaced HDD with SSD. It's like a brand new machine — boots in seconds!"

ASUS VivoBook 15
R
Rohit Shetty
Mulund
✓ VERIFIED
"
★ ★ ★ ★ ★

"Screen had dead pixels spreading across. Xigox replaced the entire display assembly. The new OLED panel looks stunning!"

ASUS ZenBook 14
M
Manisha Patil
Airoli
✓ VERIFIED
"
★ ★ ★ ★ ★

"Laptop fan was making grinding noise during gaming. Xigox replaced both fans and did a full thermal cleanup. Silent and cool now."

ASUS ROG Zephyrus G14
V
Vishal Gupta
Andheri
✓ VERIFIED
"
★ ★ ★ ★ ★

"Dropped my MacBook Air and the screen cracked. Xigox replaced the Retina display with genuine parts. Flawless display quality restored!"

MacBook Air M2
K
Karan Oberoi
Bandra
✓ VERIFIED
"
★ ★ ★ ★ ★

"MacBook Pro wouldn't charge. Turned out to be a faulty USB-C port. Xigox repaired the port at the chip level. Charges perfectly now."

MacBook Pro 16 M3 Pro
I
Isha Malhotra
Juhu
✓ VERIFIED
500+
Customers Served
4.9
Average Rating
Same Day
Most Repairs Completed
90 Days
Warranty on Repairs
WATCH & LEARN

Watch How We Handle DDR4 RAM Upgrade

Step-by-step repair videos by our ISO-certified technicians

DDR4 RAM Upgrade in Kamani — Complete Technical Guide

DDR4 (Double Data Rate 4th Generation) remains the dominant memory standard across the vast majority of laptops and desktops in Kamani in 2026. Despite DDR5's arrival, DDR4 offers the best combination of compatibility, price, and availability for most users. If your laptop or computer was manufactured between 2015 and 2024, it almost certainly uses DDR4.

DDR4 vs DDR3 vs DDR5 — Which Do You Have?

The #1 mistake in self-upgrades is buying the wrong DDR generation. DDR3, DDR4, and DDR5 are physically incompatible — the notch position is different, and forcing the wrong module can damage the slot. Our technicians identify your exact DDR type in seconds using your laptop model or CPU generation. Intel 6th–12th Gen and AMD Ryzen 1000–5000 use DDR4. Older systems use DDR3. Newer 13th Gen+ may use DDR5.

Choosing the Right DDR4 Speed

DDR4 comes in speeds from 2133MHz to 3600MHz. Your laptop or desktop has a maximum supported speed — installing a faster module won't help (it'll just downclock to your system's max). Conversely, installing a slower module will throttle your existing stick down to match. We ensure the new module exactly matches your system's speed rating and CAS latency for optimal dual-channel performance.

Dual-Channel Configuration

Two RAM sticks in dual-channel mode provide significantly more bandwidth than a single stick — often 20–30% faster in memory-intensive tasks. If your laptop has 2 slots, we always recommend paired modules (e.g., 2×8GB instead of 1×16GB). Our technicians configure dual-channel correctly and verify it's active in BIOS after installation.

Full DDR4 Service in Kamani

Free compatibility check, genuine branded modules, anti-static installation, dual-channel configuration, and memory stress testing — all included. Service available across Kamani, 7 days a week, 9 AM – 9 PM. Free pickup and delivery for laptops.

⚙️

DDR4 RAM Upgrade Service — Kamani, Mumbai

All DDR4 sizes in stock: 4GB, 8GB, 16GB, 32GB. SODIMM + DIMM. Free installation, free pickup/delivery. Pincode: 400070.

📞 Get DDR4 Price

DDR4 RAM Upgrade in Kamani — 8GB / 16GB / 32GB — Frequently Asked Questions

DDR4 laptop SODIMM: 4GB ₹1,000, 8GB ₹1,800, 16GB ₹3,200, 32GB ₹5,800. DDR4 desktop DIMM: 8GB ₹1,600, 16GB ₹2,800, 32GB ₹5,200. Prices include installation. Exact price depends on speed (MHz).
Yes, it will work but will run at the slower speed (2400MHz). For best performance, we recommend matching your existing RAM speed. We always check and advise the optimal configuration.
Laptops made between 2015–2022 typically use DDR4. Intel 12th Gen+ (2022+) and AMD Ryzen 7000+ use DDR5. We identify your exact type during our free compatibility check.
Yes, if you have an empty slot. We match the speed and capacity for optimal dual-channel performance. For example, if you have 1x8GB 2666MHz, we add another 8GB 2666MHz for 16GB dual-channel.
Absolutely. DDR4 laptops and desktops will remain relevant for years. If your system uses DDR4, upgrading from 8GB to 16GB gives a massive 40–60% multitasking boost at very affordable prices.

More Services in Kamani

🏠 Laptop Repair at Home in Kamani | Doorstep Service | Xigox 🔲 Dead Pixel Repair in Kamani | Laptop Screen Fix | Xigox 🔧 Motherboard Repair Cost in Kamani | Starting ₹499 | Xigox 💠 Dell Service Center in Kamani | Authorized Repair | Xigox 🔵 HP Service Center in Kamani | Pavilion, Envy Repair | Xigox 🔴 Lenovo Service Center in Kamani | Same Day Repair | Xigox 🟢 Acer Service Center in Kamani | Aspire, Nitro Repair | Xigox 💰 Sell Laptop Near Me in Kamani | Best Price | Xigox ⚡ Same-Day Laptop Repair in Kamani | Express Service 🚨 Emergency Laptop Repair in Kamani | 1-Hour Response 🚚 Doorstep Laptop Repair in Kamani | Free Pickup 💰 Affordable Laptop Repair in Kamani | Low Cost Fix 🏆 Best Laptop Repair Shop in Kamani | 90-Day Warranty 📍 Laptop Repair Near Me in Kamani | Same-Day Fix 🖥️ Laptop Screen Replacement in Kamani | OEM Display 💲 Laptop Repair Cost in Kamani | Transparent Pricing 🔬 Laptop Motherboard Repair in Kamani | Chip-Level Fix 🧩 RAM Installation Service in Kamani — Laptop & Desktop 🕐 24-Hour Laptop Repair in Kamani | Round-the-Clock | Xigox 📍 Laptop RAM Upgrade Near Me in Kamani | Boost Speed 🚀 DDR5 RAM Upgrade Service in Kamani — Next-Gen Speed 🧠 Laptop Memory Upgrade in Kamani — Boost Speed Instantly 🖥️ Instant Screen Repair in Kamani | 30-60 Minute Fix — Xigox 🎮 Gaming Laptop RAM Upgrade in Kamani — 16GB / 32GB / 64GB MacBook RAM Upgrade Service in Kamani — Expert Apple Techs 🔧 Laptop Body Repair in Kamani | Casing & Hinge | Xigox ⚡ Same-Day RAM Upgrade in Kamani — Done in 30 Minutes 🛡️ Laptop Casing Repair in Kamani | Xigox — Shell & Cover Fix 🔨 Laptop Chassis Repair in Kamani | Xigox — Frame Straightening 📐 Laptop Frame Repair in Kamani | Xigox — Structural Restoration 🔩 Laptop Hinge & Body Repair in Kamani | Xigox — Hinge Bracket Fix ✨ Laptop Outer Body Repair in Kamani | Exterior Fix | Xigox 📦 Laptop Panel Replacement in Kamani | Xigox — OEM Body Panels 🔥 Laptop Body Welding in Kamani | Plastic & Metal | Xigox ⚙️ Laptop Metal Body Repair in Kamani | Aluminium Fix | Xigox 🔧 Laptop Plastic Body Repair in Kamani | Xigox — ABS Casing Fix 💔 Broken Laptop Body Repair in Kamani | Full Restore | Xigox 🔨 Laptop Body Crack Repair in Kamani | Specialist | Xigox 🔩 Laptop Hinge Broken Body Fix in Kamani | Mount Fix | Xigox 📐 Laptop Corner Damage Repair in Kamani | Xigox — Drop Impact Fix 📦 Laptop Back Panel Repair in Kamani | Xigox — Bottom Cover Fix ⚙️ Dell Laptop Body Fabrication in Kamani | Casing Fix | Xigox 🔩 Lenovo Laptop Hinge & Body Repair in Kamani | Xigox 🍎 MacBook Body Repair in Kamani | Apple Expert | Xigox ⚡ Same-Day Laptop Body Repair in Kamani | Xigox — Fixed in Hours 🚨 Emergency Laptop Body Repair in Kamani | Xigox — Urgent Body Fix 🕐 24-Hour Laptop Body Repair in Kamani | Xigox — Round-the-Clock ⚙️ Laptop Body Fabrication in Kamani | Custom Panel | Xigox Laptop Repair in Kamani | Fast, Certified Fix | Xigox Dell Laptop Service Center in Kamani | Expert Fix HP Laptop Service Center in Kamani | Expert Fix Lenovo Laptop Service Center in Kamani | Expert Fix Laptop Keyboard Replacement in Kamani | Genuine Parts Laptop Battery Replacement in Kamani | Genuine Parts 🔧 Apple MacBook and iMac Repair Center in Kamani 🔧 Laptop Display Repair in Kamani | OEM Screen Fix 🔧 Laptop Fan Repair and Cleaning in Kamani | Cool Again 🔧 Virus Removal Service in Kamani | Same-Day Clean 🔧 SSD Upgrade in Kamani | 10× Speed Boost | Xigox 🔧 RAM Upgrade Service in Kamani | Speed Boost Today 🔧 Laptop Water Damage Repair in Kamani | Emergency Fix 🔧 Laptop Charging Port Repair in Kamani | Same-Day Fix 🔧 Second-Hand Laptop in Kamani | Best Price Guaranteed 🔧 Laptop Touchpad Repair in Kamani | Accurate Fix 🔧 Laptop Speaker Repair in Kamani | Same-Day Fix | Xigox 🔧 Laptop WiFi Repair in Kamani | Same-Day Fix | Xigox 🔧 OS Installation Service in Kamani | Windows and Linux 🔧 Acer Laptop Service Center in Kamani | Expert Fix 🔧 Asus Laptop Service Center in Kamani | Expert Fix 🔧 MSI Laptop Service Center in Kamani | Expert Fix 🔧 Laptop Palmrest Replacement in Kamani | Same-Day Fix 🔧 Laptop Bottom Panel Fix in Kamani | OEM Cover Repair 🔧 Laptop Top Lid Replacement in Kamani | OEM Panel 🔧 Laptop Dent and Body Repair in Kamani | Frame Fix 🔧 Laptop Scratch and Scuff Repair in Kamani | Body Fix 🔧 Laptop Body Painting and Restoration in Kamani 🔧 Laptop Full Body Change in Kamani | OEM Body Parts 🔧 Gaming Laptop Body Repair in Kamani | Expert Fix 💻 Laptop Cleaning Service in Kamani | Expert Service | Xigox 💻 Laptop GPU Repair in Kamani | Expert Service | Xigox 💻 Laptop Webcam Repair in Kamani | Expert Service | Xigox 💻 Laptop Upgrade Service in Kamani | Expert Service | Xigox Gaming Laptop Screen Repair in Kamani | Xigox

Areas, Roads & Landmarks We Cover in Kamani

Free pickup & drop across all these neighbourhoods

📍 Localities & Neighbourhoods

Kurla Ghatkopar Kurla West

🛣️ Roads & Highways

LBS Marg

Landmarks & Famous Places

Kamani Junction

DDR4 RAM Upgrade in Kamani — 8GB / 16GB / 32GB — Nearby Areas

We also serve these locations near Kamani

Comparison

Xigox vs Local DDR4 RAM Upgrade Shops

Honest comparison — decide with confidence in Kamani.

FeatureXigoxLocal Shop
Certified Technicians✅ Trained & Verified❌ Varies
Genuine / OEM Parts✅ Guaranteed⚠️ Not Always
90-Day Warranty✅ Written Certificate❌ Rarely
Free Doorstep Pickup✅ Kamani — Free❌ Travel Required
Same-Day Service✅ Kamani — Available❌ Usually 2–3 Days
₹350 Inspection (refunded if you proceed with repair)✅ Always Free❌ Charged Upfront
Transparent Pricing✅ Fixed Quote — No Surprise❌ Hidden Charges
Live WhatsApp Updates✅ Real-time Repair Status❌ No Updates

* Based on customer feedback & market research. Results may vary. Xigox charges ₹350 for inspection — refunded if you proceed, applied as a credit toward your repair cost.

DDR4 RAM Upgrade in Kamani — Complete Guide

Tired of middlemen? Work with the actual repair team — Xigox. Choosing the right SSD for DDR4 RAM Upgrade makes a real difference: a PCIe 4.0 NVMe runs 5× faster than a SATA SSD. In Kamani, Xigox matches the storage tier to your laptop's PCIe support: the right upgrade for your specific model. DDR4 RAM Upgrade in Kamani includes a CrystalDiskMark benchmark to verify the full performance gain.

What Kamani Customers Say About this repair

Don't just take our word for it. Xigox has earned a near-perfect rating across Google with 15,244+ reviews from customers across Kamani. Common praise includes: accurate quotes, fast turnaround, and genuine parts. A recent Kamani customer stated: "Best repair experience in Kamani. Professional team, fair pricing." Become part of the growing community of satisfied Xigox customers in Kamani.

Same-Day this issue — How It Works

Curious how quickly Xigox can complete this repair in Kamani? Here's our typical timeline: Step 1 — message us and our pickup technician reaches you within an hour. Then — ₹350 diagnostic pinpoints the issue. Step 3 — you approve the quote via WhatsApp — zero pressure. Step 4 — this repair is done using OEM-grade components by our engineers, usually within 2–4 hours. Step 5 — we return it to you with a quality report.

Free Diagnostics in Kamani Xigox's Kamani team follows this exact certified process from start to finish — free pickup, a transparent written quote, genuine-grade parts, and a 90-day warranty on the completed repair.

Uncertain about the issue with your laptop? 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 local experts will show you the broken part in plain English so you can make an informed decision.

Warning Signals: When You Need this job

When should you consider it's time for this issue on your laptop? Watch for: random crashes, excessive heat, lagging response, strange noises, battery draining fast, or screen glitches. Experiencing even one of these in Kamani, don't ignore them — delaying often increases repair costs. Our Kamani team can diagnose your laptop within the hour and advise on the right this issue.

Xigox Service Promise for the repair

Your this repair doesn't end when the laptop is returned. The Xigox after-service team is available daily via call or message. If you notice anything unusual within 90 days of your this repair, just reach out and we dispatch a technician immediately. This promise is why Kamani customers choose Xigox again and again.

Trained Technicians for this repair in Kamani

Not all shops in Kamani has the skills for complex the repair. Our technicians undergo rigorous training dealing with laptop hardware. From basic part swaps to complex micro-soldering, we handle it all right here for Kamani clients.

The Best Choice for this issue in Kamani

There are many repair shops in Kamani, 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 Kamani.

Free Logistics across Kamani Xigox's Kamani team follows this exact certified process from start to finish — free pickup, a transparent written quote, genuine-grade parts, and a 90-day warranty on the completed repair.

Traveling across town in Kamani can be a nightmare. That's why Xigox has built a seamless pickup and delivery network for this repair. Simply share your Kamani address, and our technician will pick up the laptop 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.

Upgrades & Optimization alongside this job

During your the repair in Kamani, why not take the opportunity to boost its performance. Many of our customers request thermal repasting while the laptop is being repaired. This proactive approach reduces future repair costs and can make an old laptop feel brand new. Inquire today about optimization packages when you book your the repair.

Multi-Brand Expertise in Kamani

Your laptop model doesn't limit what we can fix. Xigox engineers are brand-agnostic experts: HP, Dell, Lenovo, Asus, Acer, MSI, Toshiba, Samsung and Apple MacBook. Each brand has quirks in their assembly that our team knows well. Model-specific experience cuts diagnostic time and improves first-time fix rates.

Give your laptop the care it deserves in Kamani. Xigox: real technical skill, OEM-grade parts, fully transparent pricing, free pickup and delivery — all backed by a written 90-day warranty. Your neighbours already trust us: message us on +91 74997 61196 for reliable DDR4 RAM Upgrade in Kamani.

DDR4 RAM Upgrade in Kamani — 8GB / 16GB / 32GB

Free pickup · Same-day service · 90-day warranty

Open all days 9 AM – 9 PM | Serving Kamani, Mumbai

⏰ Open all days 9 AM – 9 PM · 15-min Response Guaranteed

Explore More Services

More Repair & Tech Services Near Kamani

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

DDR4 RAM Upgrade in Kamani — Service Area & Coverage

Xigox provides ddr4 ram upgrade across Kamani (PIN 400070), in the Mumbai Suburban district of Mumbai. Our doorstep pickup and on-site service cover the entire Kamani area and the neighbourhoods around it.

Localities we cover in Kamani: Kurla, Ghatkopar, Kurla West. Wherever you are in Kamani, a certified Xigox technician can reach you — usually within 30–60 minutes.

Our technicians regularly serve homes, societies and offices around Kamani Junction, and along LBS Marg. If you're near any of these landmarks, same-day pickup for ddr4 ram upgrade is almost always available.

DDR4 RAM Upgrade near Kamani

We also serve these nearby areas — tap your locality for local ddr4 ram upgrade:

Nearest pickup point: Andheri

~5.5 km from Kamani — free doorstep pickup means our technician comes to you, this is just our nearest coordination point.

Call Now Same-Day · 90-Day Warranty WhatsApp