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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for €4.34
Wiko View4 Smartphone, 5000mAh Battery, 6.52 inches (16.5 cm), Triple Camera, 64GB + 3GB, Dual SIM, Android 10Wiko View4 Smartphone, 5000mAh Battery, 6.52 inches (16.5 cm), Triple Camera, 64GB + 3GB, Dual SIM, Android 10
Buy at Amazon for €144.95
Tab A 7 WifiTab A 7 Wifi
Buy at Amazon for €282.00
Blackview BV5900 Smartphone, BlackBlackview BV5900 Smartphone, Black
Buy at Amazon for €124.99
Cubot X30-6 and X30-8 DE Smartphone, 4G, without ContractCubot X30-6 and X30-8 DE Smartphone, 4G, without Contract
Buy at Amazon for €169.99
CUBOT Note 20 Smartphone without Contract, 6.5 Inch HD Display, 4200 mAh Battery, Android 10.0, 3 GB RAM + 64 GB ROM, 4G Mobile Phone, AI Cameras, Dual SIM, NFC, Face ID, German Version, BlackCUBOT Note 20 Smartphone without Contract, 6.5 Inch HD Display, 4200 mAh Battery, Android 10.0, 3 GB RAM + 64 GB ROM, 4G Mobile Phone, AI Cameras, Dual SIM, NFC, Face ID, German Version, Black
Buy at Amazon for €109.99
Oukitel WP5 Phone Case, BlackOukitel WP5 Phone Case, Black
Buy at Amazon for €149.99
As of 2020-10-25 13:14
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Battery Helpers

Battery Calibration

2020-10-07

Probably one of the most persistent Battery Myths: the battery needs to be calibrated every now and then! Rather nonsense (see linked article). You don't need an app to calibrate your device's battery. That rather happens as a side-effect: that is, always when your battery ran low until the evening, and you fully charged it in one uninterrupted run (over night) – so those apps are mostly „snake oil“ to obtain ad revenue (see: What’s it all about those modules apps contain?). But for those who insist, there are some calibration apps available – which all require root (mostly to remove the batterystats.bin which holds the "juice consumed by app" data):

Identify Battery Consumers

2020-10-07

Though Android comes with a built-in tool to show battery usage and consumers, this is often mis-interpreted and not even complete. It gives you raw indicators, true – and if there's an app nibbling at your battery all day long permanently with „greater hunger“, it will certainly show up here. For a deeper analysis, however, one often needs tools revealing more details:

Other Battery Helpers

2020-10-07

Further Readings:

2020-10-09