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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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CUBOT C30 Smartphone without Contract, 8 GB RAM + 128 GB, Dual SIM, 4200 mAh, 4 Cameras (48 MP), Android 10.0, NFC, 6.4 Inch HD Display, 5G WiFi, Global Version, BlackCUBOT C30 Smartphone without Contract, 8 GB RAM + 128 GB, Dual SIM, 4200 mAh, 4 Cameras (48 MP), Android 10.0, NFC, 6.4 Inch HD Display, 5G WiFi, Global Version, Black
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OTHA Mini DLP Projector 100ANSI LumensOTHA Mini DLP Projector 100ANSI Lumens
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Ulefone Armor X7 PRO (2020) 4G Android 10 Outdoor Mobile Phone Smartphones, 32GB Memory 4GB RAM 4000mAh Battery Smart Button Waterproof Camera WiFi GPS FM OrangeUlefone Armor X7 PRO (2020) 4G Android 10 Outdoor Mobile Phone Smartphones, 32GB Memory 4GB RAM 4000mAh Battery Smart Button Waterproof Camera WiFi GPS FM Orange
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X-DRAGON External Battery 20000 mAh 3 USB Ports Power Bank with LCD Display Mobile Phone Charger for iPhone X/8/8 Plus/7/6s, iPad, Samsung Galaxy, Android, Huawei - OrangeX-DRAGON External Battery 20000 mAh 3 USB Ports Power Bank with LCD Display Mobile Phone Charger for iPhone X/8/8 Plus/7/6s, iPad, Samsung Galaxy, Android, Huawei - Orange
Buy at Amazon for €23.98
Oukitel WP5 Phone CaseOukitel WP5 Phone Case
Buy at Amazon for €129.99
Samsung Galaxy M21 Smartphone (6.4-Inch / 16.21 cm) 64 GB Internal Memory, 4 GB RAM, Android (German Version), BlueSamsung Galaxy M21 Smartphone (6.4-Inch / 16.21 cm) 64 GB Internal Memory, 4 GB RAM, Android (German Version), Blue
Buy at Amazon for €209.99
As of 2020-11-23 08:42
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Battery Helpers

Battery Calibration

2020-11-14

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

2020-11-14

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

2020-11-14

Further Readings:

2020-11-16