Xiaomi SIM Activation Service

Registers your SIM number with Xiaomi so Find device and Xiaomi's internet messaging can use it, via an international SMS. You can disable it, with a caveat: read what stops working first.

What it does

Xiaomi SIM Activation Service verifies your phone number with Xiaomi by sending a text message, which on many carriers is an international SMS. Once the number is verified, Xiaomi services that rely on it can work, such as messaging other Xiaomi users over the internet and parts of Find device. It runs when a SIM is inserted or a service asks for activation.

If you disable it

Xiaomi's phone-number verification stops, so internet messaging between Xiaomi users and SIM-based Find device features may not work. Calls, texts and mobile data are not affected.

How to disable it

On most phones Settings greys out Disable for this package, so ADB is the way to turn it off. The commands below work without root and can be undone.

adb shell pm disable-user --user 0 com.xiaomi.simactivate.service

adb shell pm enable com.xiaomi.simactivate.service

The stronger option removes it for your user only; the original copy stays on the phone and a factory reset brings it back. Prefer disabling: it is easier to undo.

adb shell pm uninstall -k --user 0 com.xiaomi.simactivate.service

adb shell cmd package install-existing com.xiaomi.simactivate.service

New to ADB? Set it up in about ten minutes.

Data and battery

Sends your phone number to Xiaomi by SMS for verification; your carrier may charge for the international message.

Where it appears

• Made by Xiaomi.
• Android versions: 13 to 16.