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88So, this is a simple app to change your Android ID.
It is on Google Play for £4.99 (VAT included by Google, so will be more), so please buy it if you want, however it is attached for all XDA members to use free of charge!
This app uses the secure settings API to write the ANDROID_ID, and it grants itself the relevant permission using the package manager executable.
It has a backup function as well, as well as the ability to generate a random ID.
Play Link: https://play.google.com/store/apps/details?id=com.liamw.root.androididchanger.
Feel free to provide feedback!
XDA:DevDB Information
Device ID Changer, App for the Android General
Contributors
liamwli
Version Information
Status: Stable
Current Stable Version: 5.0.1.1
Stable Release Date: 2016-02-22
Created 2014-02-19
Last Updated 2016-02-222
This app changes a unique ID, as liamwli explained -- Google uses it to identify your device. Since it may change upon installation of another ROM, you may want to revert to the previous ID to prevent several new entries cropping up on the Play Store device menu, for example (in the menu where your devices are listed whenever you (buy and) install an application or game). This tends to get a big mess over time with us OCD flashers, and this means you will have to find out by chance or elimination whatever device Google thinks you are currently on is the device you intend to install to.
EDIT: Oh, and Google's application copy protection scheme seems to partly rely on it, although there are not that many developers depending on this.1
