I flashed CM7 on my galaxy ace, it was fine at first, but some time after, there is a battery problem now. Battery level is often decreased from 100% to 0%. Do you know why this situation is occurred?
Make sure you don't have a lot of apps running in the background. Always install only the necessary apps. User @Venomous Viper 119 has provided a detailed guide on how to improve the battery and performance of our ace. You can follow the instruction in it to increase the battery backup to a greater extend. Here is the link,
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