Wrong battery percentage when charged after phone switched off

S

srdigit16

In the zone
My Lenovo Vibe K5 note battery needs to be replaced. When battery life is reduced, it is supposed to reduce charge at a faster rate right, but what happens is the phone suddenly gets switched off and doesn't switch on unless I start charging. When I charge phone when it is on, the battery goes down to a certain percentage (though I see the charging icon) and then only it starts charging But when I it switch on after I connect to charger, the battery percentage is not 1. It shows any value instead. Why?

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thetechfreak

thetechfreak

Legend Never Ends
The "health" of your battery isn't the best. Check the wear of your battery with AccuBattery AccuBattery - Apps on Google Play

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OP
S

srdigit16

In the zone
Sometimes when I restart the phone, the display is flickering & the flickering stops after some time (Is it a problem with display or due to low power from battery?). There is a reddish mark at the top right corner of the display (not much bothered). Also the volume up key not working & I am managing with volume apps. Fingerprint scanner shows Fingerprint hardware not available error but it works as a back button & selfie as set in settings, (seems need to reset to get it fixed) OS is Android 6. Currently I use phone for testing app as I am an app developer. Is it worth spending for an original battery & repair other problems keep the phone as a secondary phone? Or is a compatible battery (some available at half price) enough & let the phone run as possible?
 
thetechfreak

thetechfreak

Legend Never Ends
Might be more than an issue with the battery. Display flickering could be a display or even mainboard. Might be better in the long run to replace the phone entirely.

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