My phone dies at obout 40%

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ROG Phone 5s
31.0810.1226.91
Not roated
My phone just die after 40% i turn off imedetly, Always charge it to 100% . Lock at my screenshot above
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Refer above conversation n hope this is helpful
Sounds like the Battery needs some calibration!
I'm gonna do just a little copy paste here ;D
Step1: go to "Settings" > "Battery" > "Battery Care"> "Select charging limit"> "Move bar to 100%"
Step2: Plug in the AC charger to charge the battery to 100%
Step3: Normal use until the capacity of the battery decrease to 0%
Step4: Do Step 2 again to charge the battery to 100 %