Junior Tecnology · 36.9K on YouTube

Learn mobile repairing from a real repair shop

Hardware from basics to chip level, software from flashing to FRP. Every lesson is shot on a real phone, in simple Hindi, so you can do the same work at your counter.

Popular: Charging sectionFRP unlockIC reballingDead bootNetwork problem
36.9K
YouTube learners
810+
Free videos
22
Course lessons
Rajesh Das at his repair shop
Rajesh DasYour teacher · Shillong, Meghalaya
810+ videos Taught in Hindi
100% Practical in HindiReal phones par step-by-step training
Mobile App & WebAndroid app ya laptop par dekho
Instant Access by UPIPayment karte hi turant shuru
WhatsApp Technician SupportDoubt aaye to turant help
Mobile Hardware Course Multimeter, soldering, charging jack, IC reballing, power IC Explore Hardware Mobile Software Course Flashing, FRP lock, pattern unlock, dead boot fix, dongles Explore Software Hardware + Software Combo Complete mobile repairing masterclass with shop secrets Best Value Package
CURRICULUM HIGHLIGHTS

Course me kya-kya seekhenge aap?

Kitabi gyan nahi, dukaan par roz aane wale real faults ko theek karna seekhiye.

🔬

Micro-Soldering & IC Level Reballing

SMD Rework Station aur Micro-soldering iron ka sahi temperature control. Black pasted aur white pasted IC ko bina board damage kiye safe nikalna aur reball karke lagana.

Power IC Reballing Charging IC & OVP Micro Jumpers under IC Black Paste Cutting
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Dead Boot & Power Sequence

Dead phone aane par step-by-step cold test aur DC Power Supply machine par milliampere reading se fault pakadna.

DC Reading Diagnosis VPH & VBAT Shorting Buck & LDO Coils
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Software, Flashing & FRP Unlock

All Android brands (Samsung, Xiaomi, Vivo, Oppo, Realme) ke pattern, PIN, FRP unlock, dead boot fix aur official firmware flashing.

EDL Test Points UnlockTool / UMT IMEI & Baseband Fix
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Dukaan Setup, Sourcing & Customer Handling

Mobile repairing shop start karne ke secret hacks: wholesale spare parts kahan se saste milenge, customer ko quotation kaise dena hai aur tools par kam kharch me jyada profit kaise kamana hai.

Wholesale Parts Guide Essential Tool Kit Warranty & Return Secrets Pricing Strategy

Our courses

Practical, step by step, from the very beginning.

See all courses
HARDWARE + SOFTWARE Hardware + Software Combo
⭐ Bestseller 100% OFF
Hindi · 100% Practical

Hardware + Software Combo

1 lessons 3 m Beginner to Advanced
  • Real phone microscope videos
  • Schematic diagram & tools guide
  • Lifetime access & WhatsApp support
₹1 ₹9,999 You save ₹9,998
Preview Enroll now →
MOBILE HARDWARE Complete Mobile Hardware Course
⭐ Bestseller 57% OFF
Hindi · 100% Practical

Complete Mobile Hardware Course

12 lessons 3 h 15 m Beginner to Advanced
  • Real phone microscope videos
  • Schematic diagram & tools guide
  • Lifetime access & WhatsApp support
₹2,999 ₹6,999 You save ₹4,000
Preview Enroll now →
MOBILE SOFTWARE Mobile Software Master Course
60% OFF
Hindi · 100% Practical

Mobile Software Master Course

9 lessons 2 h 20 m Beginner to Advanced
  • Real phone microscope videos
  • Schematic diagram & tools guide
  • Lifetime access & WhatsApp support
₹1,999 ₹4,999 You save ₹3,000
Preview Enroll now →
Meet your teacher

Rajesh Das

Shillong, Meghalaya Teaching on YouTube since 2022

Rajesh Das runs the Junior Tecnology YouTube channel from Shillong, Meghalaya. Since 2022 he has posted 810+ videos on mobile hardware, software, chip level repair, FRP and the tools a repair shop needs, all in simple Hindi.

Mobile hardwareMobile softwareChip level repairDead phone repairFRP unlockSchematic diagramsRepair tools
36.9K
Subscribers
810+
Videos
6.4M+
Views
22
Course lessons
Watch on YouTube See his courses

Start with free videos

Start learning for free. When you are ready, go deeper with a full course.

All free videos
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Dead phone repair: Redmi A1 / A1 Plus (VPH line short)
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Mobile software basics for beginners (2026)
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Mobile repairing tools list and shop setup cost
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Poco M6 5G dead phone repair

How to buy a course

  1. Choose a courseWatch the free preview lessons and pick the right course for you.
  2. Pay by UPIPhonePe, Google Pay, Paytm: any UPI app. The course opens instantly.
  3. Learn any timeOn the website or the Android app, continue where you stopped.

Frequently asked questions

Could not find your answer? Message us, we reply quickly.

Ask on WhatsApp
What language are the courses in?

All courses are in Hindi, in simple language, with practical demos.

How do I watch? Does it work on mobile?

Yes. Log in on the website or use our Android app. The course opens right after payment.

I have never repaired a phone. Can I still learn?

Absolutely. Courses start from the basics (tools, multimeter, components) and go up to advanced chip level.

How do I pay?

With any UPI app: PhonePe, Google Pay, Paytm or BHIM. Scan the QR and pay; the course opens by itself.

How long can I watch a course?

Every course shows its access period (for example lifetime or 1 year). Watch as many times as you like in that time.

What if I have a doubt?

Ask our support team on WhatsApp. The number is at the bottom of every page.

R
🔥 Rahul Sharma (Patna) enrolled in Hardware Masterclass 3 mins ago
₹1 ₹9,999 100% OFF
Enroll Now →