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About Device Changer

An Android testing toolkit for QA engineers, developers, and security teams who need the same device context on every run.

Device Changer is an LSPosed module. It is not a cloud device farm and not an emulator. You install it on a rooted Android 12+ device, pick a saved profile, and the app under test sees that profile — model, build signals, and identifiers — instead of the physical handset.

That is the product difference: one device, many documented environments, so a bug report can name the profile instead of “works on my phone”.

Who it is for

QA teams checking the same journey across OS and identity combinations
Developers reproducing a device-specific failure without a full hardware lab
Security and risk teams validating how an app reacts to identifier or integrity signals — in a legal test scope only

What to read next

Installation guide · LSPosed module · Device simulation · Device ID changer · Required software · Pricing · Compliance