Hard Reset via Recovery — Sony Xperia Z Ultra
Optimized for Xperia Z Ultra (Android 4.2 (Jelly Bean), upgradable to 5.1 (Lollipop))
Factory Reset from Settings — Sony Xperia Z Ultra
Optimized for Xperia Z Ultra (Android 4.2 (Jelly Bean), upgradable to 5.1 (Lollipop))
Enter Recovery Mode — Sony Xperia Z Ultra
Optimized for Xperia Z Ultra (Android 4.2 (Jelly Bean), upgradable to 5.1 (Lollipop))
FRP Bypass (Google Lock) — Sony Xperia Z Ultra
Optimized for Xperia Z Ultra (Android 4.2 (Jelly Bean), upgradable to 5.1 (Lollipop))
Why reset your Sony Xperia Z Ultra?
A hard reset on the Sony Xperia Z Ultra 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 Sony Xperia Z Ultra?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the Sony Xperia Z Ultra to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the Sony Xperia Z Ultra 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 Sony Xperia Z Ultra?
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 Sony Xperia Z Ultra?
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.
Does my Sony Xperia Z Ultra have a hard reset button?
Not a single dedicated button — the Sony Xperia Z Ultra uses a button combination instead of one labeled "reset." See the Hard Reset section above for the exact keys to press.
How do I reset my Sony Xperia Z Ultra?
Use the Hard Reset method above if your Sony Xperia Z Ultra 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.
How do I format my Sony Xperia Z Ultra?
"Formatting" and "factory resetting" mean the same thing for the Sony Xperia Z Ultra — both erase all data and restore default settings. Use whichever method above matches your situation.