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.
Shankar Jethwani · Kewal Mobile · Vadodara
JUNE BATCH IS 100% HOUSEFUL!
To maintain our elite training standards, we are utilizing the month of July to expand our world-class lab facility—upgrading from 15 seats to a grand 30-student capacity with state-of-the-art diagnostic gear. Therefore, official bookings are now open for our next mega batch starting on August 11, 2026.
iPhone Repairing Masterclass:
Complete A to Z Advanced Training
Learn from absolute basics to the most advanced hardware diagnostics. Master everything from older models up to the latest A19 Bionic Series with Shankar Jethwani at Kewal Mobile. No prior engineering degree required — 100% practical training in easy language.
Who is this for? Perfect for shop owners and technicians who want to upgrade their skills. We start from basic component testing (Resistors, Capacitors, Diodes) and go all the way to advanced CPU micro-soldering and protocol analysis.
A11 · A12 · A13 · A14 · A15 · A16 · A17 Pro · A18 · A19 · A19 Pro
The Masterclass
Course Investment & Details.
A flagship in-person program. Limited cohort. Maximum depth.
JUNE BATCH IS 100% HOUSEFUL!
To maintain our elite training standards, we are utilizing the month of July to expand our world-class lab facility—upgrading from 15 seats to a grand 30-student capacity with state-of-the-art diagnostic gear. Therefore, official bookings are now open for our next mega batch starting on August 11, 2026.
What You Will Learn
Curriculum Breakdown
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
August 11, 2026
Location
Vadodara, Gujarat
Duration
~20 Days · 10 Hrs/Day
Stay
4-Star Hotel Option
Total Investment
₹1,21,000
Course Investment: ₹1,21,000 | Booking Advance: ₹10,000
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.
Due to limited seat configuration, advance reservation is highly recommended.
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.
Technical Mastery
Engineering-grade diagnostics.
Four pillars of board-level expertise — taught hands-on, every day of the cohort.
01
Oscilloscope Waveform Decoding
Read clocks, power rails and data lines with surgical precision.
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 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. 16+ Years of Global Mentorship. 1,500+ Successful Technicians Worldwide.
From deep PMIC faults on the A12 to the latest A19 Pro power architecture — Shankar Jethwani has personally trained technicians across the globe to repair what others call unfixable.
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
16+ Yrs
Teaching Record
1,500+
Technicians Trained Worldwide
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.
Kewal Mobile App
Learn on the Go.
Course content, schematics, walkthroughs and live updates — in your pocket. Available on iOS and Android.
Support & Downloads
Genuine software, organized by brand.
Select a brand to reveal official tools, firmware, and setup files curated by Shankar Jethwani.
Mr. Yang
Official Tools & Equipment
- Download Setup (.exe)
Mr. Yang High-precision Ammeter + Multimeter (YS-4470)
Official control and diagnostic software setup for the high-precision Mr. Yang YS-4470 ammeter/multimeter station. · MrYang_YS4470_Setup.exe
- Download Setup (.exe)
Mr. Yang Intelligent Hot Air Gun Firmware
Control software setup · MrYang_HotAirGun_Control.exe
- Download Setup (.exe)
Mr. Yang Super Thermal Camera Software
Advanced thermal analysis tool setup · MrYang_ThermalCamera_Setup.exe
JCID
Schematics & Programmers
Tools for JCID are being curated. Check back soon.
Qianli
Precision Repair Tools
Tools for Qianli are being curated. Check back soon.
Xzz / ZXW
Board View Software
Tools for Xzz / ZXW are being curated. Check back soon.