Tag Huawei Nova

Smartphone & Pad Repair Guide

Huawei tablet BAH3- W09 can’t connect to WiFi for repair

Open Xinzhizhao software, find a circuit reference of mobile phone motherboard using Hi1102V100, measure the power supply according to the schematic diagram, and replace a WiFi chip, and the fault remains.

zll
2023-05-08

Smartphone & Pad Repair Guide

Huawei 5G Nova6 mobile phone enters water without service repair

The measured capacitance of corrosion at startup is 1.8V, and the measured capacitance is 2.4V This circuit is connected to the signal chip of the main board, the upper board and the tail plug-in board. Redo this chip, and the power-on test voltage is restored to 1.8V. Boot test, perfect repair.

zll
2022-12-23

Smartphone & Pad Repair Guide

Huawei Nova7 can’t get into the system fault when it is started

Huawei Nova7 can't access the LOGO of the system card when it is turned on, and it has been restarted all the time. The measurement found that after touching Capacitor Short circuit next to BTB connector, the fault recovered after picking auto power off.

yx
2021-12-16