Why won't Sonim XP7 turn on and just flash a very faint red on LED indicator?

Sonim XP7 wont turn on and is flashing very faint red ( blip ) on led indicator . can anyone give some advice as to what to do ?

I have tried to charge it overnight and also tried a reset nothing seem to be working .

Usually a red LED light indicator means your phone needs charging. If you have charged it and still won't turn on, I suggest having your phone checked. You might have a bad battery that's why phone won't turn on.

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