Micromax Q452, Руководство по обслуживанию

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3. Not charging:
Solution:

Flash the handset with latest SW

Plug in the charger to check whether the machine has a charging icon, if don’t have, then check the
5V power pin of USB port connect the mainboard or not

Check the voltage of battery when charging If it reaches 4.2V, has shown in front of the
Transmission, now maybe is the battery bad so that no charging.

Check the I/O connector work well or not ,if not , Re-Solder or change it

Check the charging switch work well or not ,if not , Re-Solder or change it

Check the Power IC work normally or not, Re-Solder CPU or change it

Check the CPU work normally or not. Re-Solder the CPU or change it