Скачать или смотреть Mobile Repairing Course – Dead Phone Ko Step-by-Step Diagnose Kaise Kare?

Mobile Repairing Course – Dead Phone Ko Step-by-Step Diagnose Kaise Kare?
How to Diagnose a Dead Phone Step-by-Step | Voltage Check Points

Dead mobile aate hi first step voltage check hota hai — lekin kaunse points par?
Is video me aap सीखेंगे dead phone ko proper system se diagnose karna.

➡️ Step-by-Step Diagnosis:
➡️ Charger & Cable Check – VBUS approx 5V
➡️ Battery Connector Voltage – 3.7–4.2V (normal)
➡️ PMIC Input Check – Charger voltage reach ho raha hai ya नहीं
➡️ Main Power Rails – 3.3V, 1.8V rails on हैं या dead
➡️ Short Check – Continuity mode me heavy short detect karein
➡️ Heat/Visual Test – Hot component, burn, crack
➡️ Boot Attempt – External power se response check

Ye perfect sequence follow karoge to dead phone diagnose करना आसान हो जाएगा.

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