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Update Galaxy Tab 2 7.0 P3100 Android 5.1.1 OmniROM Custom ROM

Galaxy Tab 2 7.0 P3100 users can now upgrade their devices to OmniROM. This custom ROM is based on the Android 5.1.1 Lollipop that comes with a lot of stunning features. Android 5.1.1 Lollipop OmniROM is currently in its beta stages so you may face some not functioning features but many users have tested this ROM and found it working except Wi-Fi Tethering which is giving some issues. Overall this ROM is great. So if you have Galaxy Tab 2 7.0 P3100 and want to install OmniROM featuring Android 5.1.1 Lollipop then proceed to the installation instructions.

Remember that OmniROM is a custom ROM which is not officially released by Samsung thus you’ll be required to have a custom recovery like CWM or TWRP in order to install the OmniROM and Gapps package on your device. Ready to get OmniROM? Go ahead and follow these instructions.

Upgrade Galaxy Tab 2 7.0 to Android 5.1.1 Lollipop OmniROM


This tutorial containing the installation instructions and Android 5.1.1 OmniROM download links can be used only for the Samsung Galaxy Tab 2 7.0 P3100. Check the model number of your device first by navigating to Settings > About Phone.


AndroidBlog will not be held responsible for any kind of damage occurred to your Samsung Galaxy Tab 2 7.0 P3100 during or after the installation of Android 5.1.1 based OmniROM. Proceed at your own risk.


  • Take a proper backup of all your existing data and settings before proceeding to the ROM installation guide using a recommended custom recovery like CWM or TWRP.
  • Download and install the correct USB Drivers for the Galaxy Tab 2 on the PC.
  • Enable USB Debugging Mode on your device by navigating to Settings > Developer Options.
  • Your device should be rooted with CWM recovery installed on it.
  • The bootloader of the Galaxy tablet must be unlocked.
  • Make sure that the battery level of your device should be charged at least about 80%.

Required Files:

Steps to Install OmniROM Android 5.1.1 Lollipop on Galaxy Tab 2 7.0 P3100:

1:- First, download OmniROM Android 5.1.1 Lollipop custom ROM ( for Galaxy Tab 2 7.0 P3100 on the desktop of the PC from the above link.

2:- Connect the Galaxy Tab 2 7.0 P3100 to the PC using its USB data cable and mount its USB memory storage.

3:- Transfer the OmniROM Android 5.1.1 Lollipop ROM .zip file that you’ve already downloaded from the above link, to the root folder of your SD card on the phone.

4:- Disconnect the tablet from the PC and turn it OFF to boot it into Recovery Mode.

5:- Turn ON your tablet while pressing and holding Volume Down + Power buttons at the same time to enter into Recovery Mode.

6:- While your device is now in CWM Recovery, perform wipe data/factory reset, wipe cache partition and wipe dalvik cache also by navigating to Advanced > Wipe Dalvik Cache.

Note:- wipe dalvik cache will help you to prevent boot loops and other errors while ROM installation.

7:- Go back to the main Recovery Menu and choose install zip from SD card → choose zip from sdcard.

8:- Navigate to the OmniROM .zip file which you’ve already transferred to the SD card of your device. Select the ROM .zip file and confirm the installation to begin.

9:- Navigate to +++++Go Back+++++ once the installation is completed. From Recovery Menu, reboot your device by selecting reboot system now.

Your Galaxy Tab 2 7.0 will be rebooted and may take about 4 to 5 minutes to boot for the first time after installation.

Done! You’ve successfully updated Galaxy Tab 2 7.0 to OmniROM Android 5.1.1 Lollipop custom ROM.

Let us know in the comments section below if you have any query or trouble regarding the above tutorial to install Android 5.1.1 Lollipop based OmniROM on your tablet.

Aamir Jamal

An Android Geek and audiophile who love to read and write reviews/tutorials about gadgets and new tech stuff. He has written 1007 guides and other posts.

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