Hard Reset via Recovery — Blackview BV4900s
Optimized for BV4900s (Android 11 (Go edition))
Factory Reset from Settings — Blackview BV4900s
Optimized for BV4900s (Android 11 (Go edition))
Enter Recovery Mode — Blackview BV4900s
Optimized for BV4900s (Android 11 (Go edition))
FRP Bypass (Google Lock) — Blackview BV4900s
Optimized for BV4900s (Android 11 (Go edition))
Why reset your Blackview BV4900s?
A hard reset on the Blackview BV4900s 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 Blackview BV4900s?
Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the Blackview BV4900s to its out-of-box state. Back up anything you want to keep before starting.
Does resetting the Blackview BV4900s 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 Blackview BV4900s?
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 Blackview BV4900s?
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 Blackview BV4900s 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.
How do I format my Blackview BV4900s?
"Formatting" and "factory resetting" mean the same thing for the Blackview BV4900s — both erase all data and restore default settings. Use whichever method above matches your situation.
What is recovery mode on my Blackview BV4900s?
Recovery mode is a stripped-down menu outside the normal operating system, used to wipe data or apply updates when the Blackview BV4900s won't boot normally. See the Enter Recovery Mode section above for how to reach it on this device.