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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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moto g7 power Dual-SIM Smartphone (5000mAh Akku, 6,2 Zoll Display, 12-MP-Kamera, 64GB/4GB, Android 9.0) Ceramic Blackmoto g7 power Dual-SIM Smartphone (5000mAh Akku, 6,2 Zoll Display, 12-MP-Kamera, 64GB/4GB, Android 9.0) Ceramic Black
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CUBOT X19 4G Dual Sim Smartphone ohne Vertrag, 5.93" IPS FHD+ Touch Display mit 4000mAh Akku, 4GB Ram+64GB interner Speicher, Android 8.1, Octa-Core 2.5GHz, 8MP Frontkamera/16MP Hauptkamera (Gradient)CUBOT X19 4G Dual Sim Smartphone ohne Vertrag, 5.93" IPS FHD+ Touch Display mit 4000mAh Akku, 4GB Ram+64GB interner Speicher, Android 8.1, Octa-Core 2.5GHz, 8MP Frontkamera/16MP Hauptkamera (Gradient)
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CUBOT X19 4G LTE Smartphone ohne Vertrag Handy 5.93″ FHD Display, 64GB Speicher, 4GB RAM, 4000mAh Akku, Dual-Kamera, Dual-SIM, Android Oreo 8.1 Wird auf Android 9.0 aktualisiert, (Schwarz)CUBOT X19 4G LTE Smartphone ohne Vertrag Handy 5.93″ FHD Display, 64GB Speicher, 4GB RAM, 4000mAh Akku, Dual-Kamera, Dual-SIM, Android Oreo 8.1 Wird auf Android 9.0 aktualisiert, (Schwarz)
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HUAWEI Y6 2019 Dual-SIM Smartphone 15,46 cm (6,09 Zoll) (3020mAh Akku, 32 GB interner Speicher, 2GB RAM, Android 9.0) midnight blackHUAWEI Y6 2019 Dual-SIM Smartphone 15,46 cm (6,09 Zoll) (3020mAh Akku, 32 GB interner Speicher, 2GB RAM, Android 9.0) midnight black
Buy at Amazon for EUR 117,00
Ulefone Note 7 (2019) Smartphone [DREI Kameras, 15.5 cm (6,1 Zoll), 16 GB Speicher, 3500mAh Akku, Android 8.1 (Go), Dual SIM DREI Karte Slot, Global Version] SchwarzUlefone Note 7 (2019) Smartphone [DREI Kameras, 15.5 cm (6,1 Zoll), 16 GB Speicher, 3500mAh Akku, Android 8.1 (Go), Dual SIM DREI Karte Slot, Global Version] Schwarz
Buy at Amazon for EUR 66,66
Cyrus CS24 WORK Outdoor Smartphone, 5000 mAH Akku, Android 7.0 Nougat, 5 Zoll, 16 GB, Dual SIM, 13 MP Kamera, stoßfest, staubdicht, wasserdicht, schwarzCyrus CS24 WORK Outdoor Smartphone, 5000 mAH Akku, Android 7.0 Nougat, 5 Zoll, 16 GB, Dual SIM, 13 MP Kamera, stoßfest, staubdicht, wasserdicht, schwarz
Buy at Amazon for EUR 217,89
As of 2019-06-16 17:15
prices & availability might be subject to change.
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Battery Helpers

Battery Calibration

2019-06-05

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

2019-06-05

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

2019-06-05

Further Readings:

2019-06-07