Android Helpdesk Blog

Dumpsys: Battery mocking with ADB shell

In some cases a specific conditions in relation to device’s battery state, level or charging method are required for either development or testing. It seems relatively easy to charge or discharge a device. However,...

Backup and restore Android’s settings quickly

Few posts ago (Programmatically change android settings) I mentioned a clever way of changing Android’s setting from a command line with the use of one of the system’s binary. This allowed for manipulation of...

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Full vs Incremental OTA (Over-The-Air Update)

There are two types of OTA (that I have encountered so far). Each with its own advantages and usages. But there is only one type typical customer would see (the other one you probably...

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Upgrade paths for Android device

There are few methods of getting the latest firmware onto your device, most of them require one ingredient: correctly signed OTA (usually: update.zip) file or… patience. Once obtained we can start a manual update process....

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Errors during Android update process (OTA)

No doubt, when updating Android software some you might face some problems, especially when a device has been rooted and (system partition) customized (nobody likes bloatware). Luckily recovery gives us some hints in cases when...

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Query information from Android device with ‘dumpsys’

There a simple tool called Dumpsys, that allows query various services in order to find some useful data. It lists all the stats  & information about particular selected component in a simple text format. Here is the...

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Programmatically change android settings

Setting up the device for each test can be an enormous task, with countless possibilities of devices’ states; it’s easy to make an error resulting in a false negative outcome. Is there a simpler method other...