Press and hold the Power/Lock key and Up Volume key (closest to the Power/Lock key) at the same time. Release the keys when the Samsung Galaxy Tab 3 logo appears. When the menu appears, press the Down Volume key to scroll to wipe data / factory reset . Press the Power key to select.
The latest version of Android OS is 11, released in September 2020. Learn more about OS 11, including its key features. Older versions of Android include: OS 10.
It looks like the highest official update that tablet got was 4.4. 2. If you want to upgrade to Lollipop, you'd have to root the device and look for a custom Lollipop ROM designed for that specific model.
The Samsung Galaxy Tab 3 came preinstalled with Android 4.4.2, or Jelly Bean. If you've been looking at the Galaxy Tab 4 as a possible replacement for your Tab 3 because the Tab 4 has Android 4.4, or KitKat, you'll be pleased to know that Samsung now offers an upgrade to KitKat for the Tab 3.
How to Install the Latest Firmware on GALAXY Tab 3 SM-T210
- Head over to Firmware Finder and enter the model number of your GALAXY Tab 3 as SM-T210.
- Select the firmware version you want to download based on region and release date.
- Download and extract/unzip the GALAXY Tab 3 SM-T210 firmware file to your computer.
Update software versions
- From the Home screen, tap the Menu key.
- Tap Settings.
- Tap About device.
- Tap Software update.
- Tap Ok to start the device check for updates.
- Tap Ok to begin the update.
- Ensure the device is powered off.
- Press and hold the Volume Up and Power buttons.
- Continue to hold Volume Up and Power buttons until the Android Recovery screen appears (about 10-15 seconds) then release both buttons.
- From the Android Recovery screen, select Wipe data/factory reset.
- Select Yes.
A factory data reset erases your data from the phone. While data stored in your Google Account can be restored, all apps and their data will be uninstalled. To be ready to restore your data, make sure that it's in your Google Account.
Please note: unlocking issues can sometimes be solved with a soft reset. To perform a soft reset, press and hold down the power and volume down keys until the screen turn black and the Samsung logo appears. Your phone will restart and you can try unlocking it again.
How to turn off a Samsung Galaxy without the PIN:
- Hold the Volume down + power buttons for 10-15 seconds, until you feel it vibrate. I held it a lot longer than necessary, that's ok.
- Use the volume down button to move the selection down to the "Power down" choice.
- Use the Bixsby button to select/confirm "Power down".
Open Settings and then choose System, Advanced, Reset options, and Delete all data (factory reset). Android will then show you an overview of the data you're about to wipe. Tap Erase all data, enter the lock screen PIN code, then tap Erase all data again to start the reset process.
Here's how to unlock the Android phone without a Gmail account:
- Install Unlock Software.
- Enter Download Mode.
- Remove Android Lock Screen without Google Account.
- Boot Your Android Phone Into Recovery Mode.
- Choose Factory Reset Option.
- Unlock Android Phone without Google Account.
If the Samsung tablet cannot continue to use when it got a black screen, it is recommended to restart the tablet: Press and hold the Power button and the Volume Down Up/Down for more than 7 seconds to restart the device. Some devices long-press the Power button only for 8-10 seconds to restart.
- 1 Swipe up to access your apps, then tap Settings.
- 2 Tap General management.
- 3 Tap Reset.
- 4 Tap Factory data reset.
- 5 Tap Reset.
How to unlock Android phone password without losing data?
- Sign in Android Device Manager website with a Google account.
- Select the locked Android phone that has been linked to Google account and click Lock button.
- Enter a new password on the pop-up window > Tap Lock.
In the Android system recovery screen, use the Volume Down (-) button to highlight the Reset to factory settings option. Quickly press the Power button. In the Reset to factory settings: Confirm reset screen, use the Volume Down (-) button to highlight the Yes -- delete all user data option.
Alternate Button Method
- Simultaneously press and hold the power button + volume up button + home key until the Samsung logo appears, then release only the power button.
- From the Android system recovery screen, select wipe data/factory reset.
- Select Yes -- delete all user data.
- Select reboot system now.
Press and hold the Power button and the Volume down button simultaneously for more than 7 seconds until the device reboots. If this does not work, press and hold the Power button for up to two minutes to shut down the device.
