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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for €6.99
DOOGEE S59 (Official) Outdoor Smartphone (2021) without Contract 10050mAh Battery Android 10 5.71 Inch Qcta-Core Mobile Phone 4GB RAM + 64GB ROM / 256GB 16+8MP Cameras IP68/IP69K NFC GPS OrangeDOOGEE S59 (Official) Outdoor Smartphone (2021) without Contract 10050mAh Battery Android 10 5.71 Inch Qcta-Core Mobile Phone 4GB RAM + 64GB ROM / 256GB 16+8MP Cameras IP68/IP69K NFC GPS Orange
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Samsung Galaxy Tab S7 Android Tablet with Stylus, WiFi, 3 CamerasSamsung Galaxy Tab S7 Android Tablet with Stylus, WiFi, 3 Cameras
Buy at Amazon for €771.16
OUKITEL WP5 Pro Outdoor Mobile Phone, 4G Dual SIM Outdoor Smartphone Without Contract, IP68 Waterproof, 8000 mAh Battery, 4GB + 64GB, Android 10 Mobile Phone Global Version 5.5 Inch Triple Camera, Face/Fingerprint ID, BlackOUKITEL WP5 Pro Outdoor Mobile Phone, 4G Dual SIM Outdoor Smartphone Without Contract, IP68 Waterproof, 8000 mAh Battery, 4GB + 64GB, Android 10 Mobile Phone Global Version 5.5 Inch Triple Camera, Face/Fingerprint ID, Black
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Samsung Galaxy M32 Android Smartphone without Contract, 6.4 Inch Infinity U Display, Powerful 5000 mAh Battery, 128 GB/6 GB RAM, Mobile Phone in White, German Version Exclusive to AmazonSamsung Galaxy M32 Android Smartphone without Contract, 6.4 Inch Infinity U Display, Powerful 5000 mAh Battery, 128 GB/6 GB RAM, Mobile Phone in White, German Version Exclusive to Amazon
Buy at Amazon for €289.00
Jumper Tablet 10.1 inch, 128 GB eMMC/4 GB DDR3, Android 11, Tablet PC T618 2.0GHz Processor, Mali G52 850MHz, 1920 x 1200 FHD IPS Display, 5,000 mAh Battery, WiFi, Bluetooth 5.0, Type-C, 5MP + 13MP CameraJumper Tablet 10.1 inch, 128 GB eMMC/4 GB DDR3, Android 11, Tablet PC T618 2.0GHz Processor, Mali G52 850MHz, 1920 x 1200 FHD IPS Display, 5,000 mAh Battery, WiFi, Bluetooth 5.0, Type-C, 5MP + 13MP Camera
Buy at Amazon for €169.99
As of 2021-10-22 04:41
prices & availability might be subject to change.
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Battery Helpers

Battery Calibration

2021-10-22

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

2021-10-22

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

2021-10-22

Further Readings:

2021-10-22