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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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Tab A 7 WifiTab A 7 Wifi
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Samsung Galaxy Tab A7, Android Tablet, LTE, 7.040 Mah Battery, 10.4inch TFT Display, Four Speakers, 32 GB / 3 GB RAM, Tablet in Dark GraySamsung Galaxy Tab A7, Android Tablet, LTE, 7.040 Mah Battery, 10.4inch TFT Display, Four Speakers, 32 GB / 3 GB RAM, Tablet in Dark Gray
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CAT phones S31 rugged dual-SIM Smartphone (11.9 cm (4.7-inch) HD display, 16 GB of internal memory (expandable to 128 GB), Android nougat, 4000 mAh battery) blackCAT phones S31 rugged dual-SIM Smartphone (11.9 cm (4.7-inch) HD display, 16 GB of internal memory (expandable to 128 GB), Android nougat, 4000 mAh battery) black
Buy at Amazon for €155.00
CUBOT Note20 smartphone without contract.CUBOT Note20 smartphone without contract.
Buy at Amazon for €109.99
CUBOT P40 Smartphone without Contract, 128G Mobile Phone, 4GB RAM, Dual SIM, Android 10, 6.2 Inch Water Drop Screen, Four Cameras, 256 GB Expandable, 4200 mAh Battery, 4G Global Band, German VersionCUBOT P40 Smartphone without Contract, 128G Mobile Phone, 4GB RAM, Dual SIM, Android 10, 6.2 Inch Water Drop Screen, Four Cameras, 256 GB Expandable, 4200 mAh Battery, 4G Global Band, German Version
Buy at Amazon for €129.99
Samsung Galaxy A32 5G Android smartphone without contract, 4 cameras, 5.000 mAh battery, 16.5 cm. / 6.5 inches Infinity-V display, 4 GB RAM, Dual SIM, German versionSamsung Galaxy A32 5G Android smartphone without contract, 4 cameras, 5.000 mAh battery, 16.5 cm. / 6.5 inches Infinity-V display, 4 GB RAM, Dual SIM, German version
Buy at Amazon for €279.99
As of 2021-04-11 17:11
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Battery Helpers

Battery Calibration

2021-03-27

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

2021-03-27

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

2021-03-27

Further Readings:

2021-03-28