01
Oscilloscope Waveform Decoding
Read clocks, power rails and data lines with surgical precision.
🪔 SPECIAL DUSSEHRA BATCH: Starts October 20, 2026 (Vijayadashami) | Finish & Master iPhone Repairing Before Diwali! Admissions Now Open.
📱 16,000+ Registered Users⬇️ 20,000+ Downloads🇮🇳 India's Fastest-Growing Repair Ecosystem🎓 Free DSO Secrets Inside the Kewal Mobile App🔧 iPhone & Android HW Solutions📐 Advanced Schematic Walkthroughs📱 16,000+ Registered Users⬇️ 20,000+ Downloads🇮🇳 India's Fastest-Growing Repair Ecosystem🎓 Free DSO Secrets Inside the Kewal Mobile App🔧 iPhone & Android HW Solutions📐 Advanced Schematic Walkthroughs
Shankar Jethwani · Kewal Mobile · Vadodara
🟢 Admissions Open: October 20 Batch
Admissions Open: iPhone Repairing A to Z Masterclass
Special Dussehra Batch starts October 20, 2026 (Vijayadashami). Upgrade your skills from basic diagnostics to A19 Pro CPU architecture & DSO signal tracing before Diwali. Limited seats available.
A11 · A12 · A13 · A14 · A15 · A16 · A17 Pro · A18 · A19 · A19 Pro
Who is this masterclass for?
Shop owners, working technicians & ambitious beginners
This masterclass is perfect for shop owners, micro-soldering technicians, and ambitious beginners who want to upgrade to a professional level. We start from the absolute basics — component testing of Resistors, Capacitors, and Diodes — and take you all the way to advanced CPU micro-soldering, I2C/SPI protocol analysis, and A19 Pro board-level diagnostics. No prior degree required. If you can hold a soldering iron, we will make you a certified iPhone engineer.
Curriculum Snapshot
What You Will Master in
This Masterclass
Hardware Mastery
Basics to A19 Bionic CPU Layer Diagnostics.
Micro-Soldering
Double-Decker CPU, IC Reballing, and Micro-Drilling.
Signal Diagnostics
Live Protocol Analysis (I2C, SPI, MiPi) using Oscilloscope.
Schematics & Tools
Deep-Dive into ZXW, XZZ, Wuxinji, and JCID Softwares.
Apple Silicon Mastery
A11 Bionic to A18 Pro / A19 Architecture
A11A12A13A14A15A16A17 ProA18A18 ProA19A19 Pro
Power sequencing, fault isolation and silicon-level repair across every Apple generation — taught board in hand.
Board-Level Precision Lab
- Micro-DrillingSafe swapping without layer damage.
- Double-Decker Separation & Reballing Matrix0.12mm precision stencil work.
- Short Circuit & Interposer DiagnosticsLive DSO probing on real faults.
Technical Mastery
Engineering-grade diagnostics.
Four pillars of board-level expertise — taught hands-on, every day of the cohort.
02
PMIC & Power Rail Diagnostics
Isolate dead shorts, leakage and rail drops across A-series boards.
03
Logic Analyzer Expertise
Capture multi-channel timing and trace boot-stage failures.
04
Advanced Micro-Soldering
BGA reballing, jumper wires and trace repair on A-series boards.
Premium Software & Tooling
ZXWWuxinjiJC P15JC V1S ProJC P13BGA315Xzz
The Masterclass
Course Investment & Details.
A flagship in-person program. Limited cohort. Maximum depth.
ADMISSIONS OPEN — DUSSEHRA BATCH STARTS OCTOBER 20, 2026
Official bookings are now open for our next batch starting on October 20, 2026 — with state-of-the-art diagnostic gear and take-home live boards.
What You Will Learn
Curriculum Breakdown
01
A19 Pro Architecture Mastery
Step-by-step troubleshooting from A11 CPU all the way up to the latest A19 Bionic Series — power sequencing, fault isolation and silicon-level repair across every Apple generation.
02
I²C / SPI / SWI Protocol Decoding
Decode bus traffic with logic analyzers to surgically pinpoint sensor, PMIC and communication failures.
03
FaceID, TrueTone & Display Recovery
Programming, transfer and recovery workflows for FaceID, TrueTone, Display, Battery and Camera calibration on flagship boards.
04
Advanced Micro-soldering & Tools
BGA reballing, jumper-wire repair and pro workflows on ZXW, JC, Xzz, oscilloscopes, logic analyzers and multimeters.
Next Batch
October 20, 2026
Location
Vadodara, Gujarat
Duration
~20 Days · 10 Hrs/Day
Stay
4-Star Hotel Option
Total Investment
₹1,21,000
Seat Booking Advance: ₹10,000 — pay by UPI at the booking desk and confirm on WhatsApp.
Comprehensive 20-Day Advanced Training · 10 Hours Daily
What's Included In Your Seat
Live iPhone Boards
Take-home boards. Hands-on practice every single day.
4-Star Hotel Option
Twin-sharing stay with unlimited breakfast & dinner — ₹800/day.
Lifetime Support
Direct WhatsApp access to Shankar Jethwani + free 6-month refresher.
🟢 Admissions Open — Dussehra Batch, October 20, 2026 · Limited Slots
Finish and master iPhone repairing before Diwali. Seats are confirmed in booking order.
Advance payment is collected securely via official UPI. Our team confirms everything personally on WhatsApp.
The Fine Print
Course Inclusions & Micro-Details
Everything you get — laid out with full transparency.
Duration & Timing
~20 Days · 10 hours of intensive daily training. Time is not a constraint — students can stay longer for deeper knowledge.
Hardware Coverage
Step-by-step troubleshooting from A11 CPU up to the latest A19 Bionic Series.
Live Practice Boards
All live boards are provided by us. You do not return them — take them home for swapping or parts.
Advanced Diagnostic Tools
Complete practical training on Oscilloscopes, Logic Analyzers and Multimeters.
Software Suite
Full access & practical usage of ZXW, Wuxinji, JC, 3uTools, iTunes, Xzz, PragmaFix, Refox and Estech.
Hardware Programmers
Hands-on with JCV1sPro, P15, P13, P7s, BGA315, BGA110, BGA70 and BGA60.
Component Specialization
In-depth LB training: Face ID, True Tone, Display, Battery and Camera calibration.
Bonus: Real Shop Work
Bring unlimited dead/faulty phones from your own shop and repair them in class for FREE under direct guidance.
Zero-Cost Repeater Policy
No extra charge for repeaters who return within 6 months for a refresher.
🏨 Lodging & Logistics
Comfortable 4-Star Hotel stay available at just ₹800 per day (Twin Sharing) — including Unlimited Breakfast and Dinner.
⚠️ Please Note (Freshers)
This is an advanced batch. Freshers should call directly before registering to confirm fit.
Zero-Stress Student Experience
Everything is Taken Care Of.
From the moment you arrive in Vadodara to the day you walk out a certified Apple board engineer — every detail is handled.
4-Star Luxury Stay
Focus only on learning. Enjoy a premium 4-star hotel stay with unlimited Breakfast & Dinner included.
Keep Your Success
The live iPhone boards you repair in class are YOURS to take home. Forever.
Tools of the Trade
Work on the world's most advanced Oscilloscopes, Logic Analyzers, and JC/ZXW tools. No need to bring anything.
Lifetime Safety Net
Once a student, always a brother. Free refresher classes available within 6 months if you need a repeat.
The Expert Edge
Everything a master technician needs.
Hardware
Live Boards Included.
Take them home with you.
Diagnostic
Lab-grade Instruments.
Oscilloscopes, Logic Analyzers & Multimeters — daily, hands-on.
Software
Pro Tooling Access.
ZXW, Wuxinji, JC P15, V1S Pro & BGA315.
Free Refresher
Repeat. At No Cost.
Free repeat classes within 6 months.
Meet the Expert
Shankar Jethwani.
25 Years of Hardware Engineering. 17+ Years of Global Mentorship. 2,000+ Successful Technicians Worldwide.
Two and a half decades of board-level engineering across Apple’s entire A-series lineage — from the legacy A5 platform to the latest A19 Pro architecture — have shaped a repair methodology that handles what most technicians are taught to replace.
Founding Developer of the Kewal Mobile Training Platform. Every cohort is taught by him. No assistants. No shortcuts. Pure mentorship.
25 Yrs
Expertise · Since 2001
17+ Yrs
Teaching Record
2,000+
Technicians Trained Worldwide