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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for €7.89
DOOGEE 5G Outdoor Smartphone without Contract V30, eSIM, Dimensity 900 Octa Core 8GB+256GB, 6.58 inch 120Hz FHD+, 108MP Triple AI Camera (20MP Night Vision), 10800mAh Battery, Android 12 IP. 68 Hand y, NFC OrangeDOOGEE 5G Outdoor Smartphone without Contract V30, eSIM, Dimensity 900 Octa Core 8GB+256GB, 6.58 inch 120Hz FHD+, 108MP Triple AI Camera (20MP Night Vision), 10800mAh Battery, Android 12 IP. 68 Hand y, NFC Orange
Buy at Amazon for €509.99
QIAOLET Mini Projector with Battery, Portable DLP Projector with 5G WiFi and Bluetooth, Android OS 9.0, Portable Projector for Mobile Phone, iPhone, Computers, TV Sticks, USB/HDMI, Small Projector for Outdoor and HomeQIAOLET Mini Projector with Battery, Portable DLP Projector with 5G WiFi and Bluetooth, Android OS 9.0, Portable Projector for Mobile Phone, iPhone, Computers, TV Sticks, USB/HDMI, Small Projector for Outdoor and Home
Buy at Amazon for €319.99
Ulefone Armor Pad Outdoor Tablet Android 12, Tablet 8.0 Inch, 7650 mAh Battery Robust Tablet PC, 4GB RAM + 64GB ROM, IP68 Waterproof Tablet Dual SIM 4G LTE, 5G WiFi, OTG, GPSUlefone Armor Pad Outdoor Tablet Android 12, Tablet 8.0 Inch, 7650 mAh Battery Robust Tablet PC, 4GB RAM + 64GB ROM, IP68 Waterproof Tablet Dual SIM 4G LTE, 5G WiFi, OTG, GPS
Buy at Amazon for €199.99
Xoro MegaPAD 1404 V6 35.5 cm (14 Inch) Tablet PC (Q.Core Cortex A17 1.8GHz, 2GB RAM, 16GB Flash Memory, IPS 1920x1080, WLAN ax (2.4/5GHz), BT 5.0, A.1111, 12V DC without battery. BlackXoro MegaPAD 1404 V6 35.5 cm (14 Inch) Tablet PC (Q.Core Cortex A17 1.8GHz, 2GB RAM, 16GB Flash Memory, IPS 1920x1080, WLAN ax (2.4/5GHz), BT 5.0, A.1111, 12V DC without battery. Black
Buy at Amazon for €328.92
HOTWAV R6 Pro Rugged Tablet 10.1 Inch 15600mAh Battery Tablet, 8GB + 128GB (1TB Expandable) Octa-Core, 16MP + 16MP Camera Outdoor Tablet Android 12 IP68 Waterproof Dual SIM 4G LTE/5G WiFi Fi/GPS. OTGHOTWAV R6 Pro Rugged Tablet 10.1 Inch 15600mAh Battery Tablet, 8GB + 128GB (1TB Expandable) Octa-Core, 16MP + 16MP Camera Outdoor Tablet Android 12 IP68 Waterproof Dual SIM 4G LTE/5G WiFi Fi/GPS. OTG
Buy at Amazon for €301.74
As of 2023-05-28 20:14
prices & availability might be subject to change.
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Battery Helpers

Battery Calibration

2023-05-18

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

2023-05-18

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

2023-05-18

Further Readings:

2023-05-29