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Hello~~
I bought UMI LONDON last week.
It has some problem. Very often turn off the phone by itself.
I can't use the phone. when i use the phone suddenly turn off the power of phone.
I don't know what is problem phone or battery. and battery is 80% 2second later quickly 15% down.
If i have spare battery I will test it but i don't have spare battery.
What is problem~~
What shall i do~~
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