Please tell us some basic information before asking for help:
Model Name: MAX PRO M2 6 GB RAM VERSION
Firmware Version: 16.2017.2009.097-20200826
Rooted or not: not rooted
Frequency of Occurrence: every 30mins
My phone battery is jumping from 70% to 30% to switches off itself and when i plug it back in it goes from low to directly 70%. phone doesnt work for more than 30 mins to hour. this is happening after installing the latests FOTA security patch on the september 12th. please provide a fix as soon as possible my phone is unusable right now in this condition. also i dont think this is good for my battery health
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