I recently needed to check the IMSI number on an Android phone for some basic SIM and network troubleshooting. I initially expected it to be as easy to find as the IMEI, but Android doesn't always display the IMSI directly.

From what I've found, you can start by checking Settings → About Phone → SIM Status or the SIM information section under your network settings. The exact location can vary depending on the Android version, phone manufacturer, and carrier.

If the IMSI isn't displayed, it's usually better not to rely on random dialer codes or unknown apps, since newer Android versions restrict access to sensitive subscriber information. Checking with your mobile carrier may be the safest option if you need the IMSI for a legitimate technical reason.

Also, keep in mind that IMSI and IMEI are different: IMSI is associated with the mobile subscription, while IMEI identifies the physical device.

Has anyone found a reliable method for checking the IMSI on their particular Android model?

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