Desperately need some help. I have an Xperia z1, up until the last update it worked well and I haven't had any issues with it. Now the phone switches off saying the battery is low even though it has 70% battery life. I completed a factory reset and hard reset, and this seemed to have solved the problem. Well until today, now it wants to optimize 334 apps which I dont even have. It makes it to 331 and then switches off and starts all over again. It never completes the updates and each time it restarts it has to go through the optimizing process but the number of updates changes each time. How do I stop the phone optimizing?
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