My phone is an inbuilt battery so I can't remove it and fix it back, what can I do

Jan 14, 2019
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My gionee m5 plus phone short down on it own and refuse to come up . I tried to on it back , its not even vibrating to show any sign of coming up. And my phone is an inbuilt battery.
Please what is the possible solution you can recommend .
Please reply ASAP.