Hard Reset via Recovery — Sonim XP400
Optimized for XP400 (Android 14, up to 2 major Android upgrades)
Factory Reset from Settings — Sonim XP400
Optimized for XP400 (Android 14, up to 2 major Android upgrades)
Enter Recovery Mode — Sonim XP400
Optimized for XP400 (Android 14, up to 2 major Android upgrades)
FRP Bypass (Google Lock) — Sonim XP400
Optimized for XP400 (Android 14, up to 2 major Android upgrades)
Why reset your Sonim XP400?
A hard reset on the Sonim XP400 fixes boot loops, forgotten PINs and persistent lag. The method above will wipe the device back to factory condition. Always back up your data first, as a reset cannot be undone.
Frequently asked questions
Will a hard reset delete everything on my Sonim XP400?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the Sonim XP400 to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the Sonim XP400 remove the SIM lock or carrier lock?
No. A hard or factory reset only clears data and settings — it doesn't remove a carrier/SIM lock, which is tied to the device's IMEI at the network level. You'd need to contact your carrier for an unlock.
How long does a factory reset take on the Sonim XP400?
Typically a few minutes, though it can take longer on older or heavily used devices as more stored data has to be wiped.
Will I need my Google account password after resetting the Sonim XP400?
Yes, if Factory Reset Protection (FRP) is enabled. Android (and HarmonyOS 2.x devices with Google services) will ask for the last signed-in Google account after a reset — make sure you know that password first.
Can I factory reset my Sonim XP400 without the password?
Yes — resetting through recovery mode doesn't require your lock screen password, since it bypasses the login screen entirely. That said, Factory Reset Protection may still ask for your Google account credentials afterward as an anti-theft measure.
What is recovery mode on my Sonim XP400?
Recovery mode is a stripped-down menu outside the normal operating system, used to wipe data or apply updates when the Sonim XP400 won't boot normally. See the Enter Recovery Mode section above for how to reach it on this device.
How do I reset my Sonim XP400?
Use the Hard Reset method above if your Sonim XP400 is frozen or won't respond, or the Factory Reset method if the screen still works normally — both are covered step by step on this page.