Install Android 5.1 Lollipop Optipop Custom ROM on Nexus 7

Although that Nexus 7 has already received the update of Android 5.1 Lollipop, however, the official update has some issues, like any other official firmware, as again, users are looking for a way to install this latest firmware on their device, but they also wants customization and other stuff, which is not possible, if you stay on the Stock firmware. The ultimate customization stands out between a Custom ROM and a device, no matter how much mods and tweaks you installed on the device, on a Stock ROM you’ll be bound to a lot of things, that won’t allows you to go beyond a specific point, although the case would be completely different while on a Custom ROM.

Optipop Custom ROM based on Android 5.1 Lollipop is available for Nexus 7, the ROM is stable and battery friendly. Dark Material theme is applied overall, although you can add white layers for epic combo. Animations are quite faster even if you put the device to maximum performance, advance reboot menu along with Smooth scrolling is also there.In this article, we will show you How to Install Android 5.1 Lollipop Optipop Custom ROM on Nexus 7. If you are interested in Other ROMs, you can Visit our Custom ROMs section or you can install this ROM on your Nexus 7 by following our tutorial below. This is not an official release from ASUS but a Custom ROM. Installation procedure uses the Fastboot commands to install this custom ROM. Your device must be rooted. Let’s go through the early preparations and then flash this ROM.

Install Android 5.1 Lollipop Optipop Custom ROM on Nexus 7

Early Preparations:

  • This is only for Nexus 7!
  • Battery should be charged at least over 60%
  • Unlock Bootloader Of Your Device.
  • Flash a Custom Recovery and Root Your device
  • Backup SMS Messages
  • Backup Call Logs
  • Backup Contacts
  • Backup Media – Copy your files manually to your PC or Laptop.
  • Titanium Backup – If already rooted, use Titanium Backup to backup all of your apps, system data and other important content.
  • Backup Nandroid –  If CWM  or TWRP installed previously, otherwise skip this step and perform this at the end of flashing


The methods involved in flashing custom recoveries, roms and rooting your phone are highly custom and may result in bricking your device, and has nothing to do with Google or the device manufacturer that is ASUS in our case. Also rooting your device will void its warranty and you will be no longer eligible for any kind of free device services by the manufacturers/warranty providers. In case of any mishap we may not be held responsible. Follow these instructions to the letter to avoid any mishap or bricking. Make sure that whatever you do, you are doing it at your own responsibility.

Downloads Required:

Optipop ROM: Link

Gapps: Link | Mirror

How to Install Optipop Custom ROM:

  • Connect your device with PC.
  • Copy and Paste the Above zip files to the root of your sdcard.
  • Open Recovery mode. How?
  1. Connect your device with PC
  2. Open Command Prompt in Fastboot folder. (ADB and Fastboot Tools Installer)
  3. Now Type: adb reboot bootloader
  4. Choose Recovery from Bootloader

CWM/PhilZ Touch Recovery:

  1. Back-up your ROM using the Recovery.
  2. To Perform a Back-up, Navigate to Back-up and Restore on Next screen, Choose Back-up again.
  3. Go back to Main Screen after the Back-up is complete.
  4. Then Navigate to ‘advance’ and choose ‘Dalvik Wipe Cache’, so you won’t get in any bootloop.
  5. Navigate to ‘Install zip from sd card’ another windows will open in front of you.
  6. Finally Select “Wipe Data/Factory Reset”
  7. Select ‘choose zip from sd card’ from the Options.
  8. Select the file and confirm the installation on next screen.
  9. Go Back and Flash
  10. Once the Installation is Over, Select +++++Go Back+++++
  11. Select Reboot Now to Reboot the System.

TWRP Users.

  1. Tap On Back-Up and Select System and Data
  2. Swipe the Confirmation Slider
  3. Tap on Wipe Button and Select Cache, System, Data.
  4. Swipe the Confirmation Slider.
  5. Go back to Main Menu and Tap Install Button.
  6. Locate the, and Swipe the Slider To install it.
  7. Once the Installation is Over, you will be promoted to Reboot System Now
  8. Select Reboot Now to Reboot the System.

The First boot might take up-to 5 minutes, so please be patient.

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