OPlus O+ 8.31z Stock ROM / Firmware

Download O Plus (O+) 8.31z Stock ROM / Firmware

O+ Oplus 8.31z Mobile Photo by MZtech

O+ 8.31z is an Android Smartphone. It is manufactured by O+ USA and was released last 2013. It is one of the cheapest and affordable 3G Android Phone which only cost Php 2,995.00 on its first release. Because of its low resolution, it can only run some casual games. This phone works best for basic use like texting, calling and Internet browsing. Its main strength is its durability.

O Plus 8.31 z Specifications:

Display: 3.5" 320 x 480 (HVGA) capacitive touchscreen LCD TFT
Processor: 1 GHz Dual Core ARM Cortex A7-based MediaTek MT6577
Network: Dual SIM, 3G, HSDPA, HSUPA, Wi-Fi 802.11 b/g/n , Wi-Fi Hotspot, Bluetooth
O.S.: Android 4.2.2 Jelly Bean
Camera: Dual Camera with LED Flash, 3.2 MP back, 0.3 MP front
Stereo FM Radio, 3.5 mm Audio Jack
256 MB RAM ; 256 MB ROM
1,500 mAh (milliampere-hour) Li-Ion battery

How to Hard Reset O+ 8.31z:

Turn off your phone.
Press Power button and Volume Up button to enter recovery mode.
If you see an android picture but no menu options, press power key to activate recover menu.
Press volume down to navigate through the menu list.
Press volume up to select Wipe Data/ factory reset
Press volume down to highlight Yes and press volume up to select.
After the reset process is done, select reboot phone by pressing volume up.

If Hard Reset didn’t fix your phone, then you have to flash it with its stock firmware / stock ROM to revive it back to its original factory state.

Things you will need to flash O+ 8.31z:

O+ 8.31z Stock ROM / Stock Firmware - get this by clicking the download link below.

-- Download Stock ROM / Firmware : O+ 8.31z Android 4.2.2 (222MB) --

Flashing Tool - use SP Flash Tool to flash this phone. Download the tool by clicking on the download link below.

Download SP Flash Tool

Download Universal ADB Driver

Note: Click SKIP button on the upper right page after viewing ad for 5 seconds.

O+ 8.31z Stock ROM / Stock Firmware is hard to find so I decided to share it to anyone who might be needing this. I hope it could help you in fixing your phone.

If you have any questions or suggestions, feel free to post your comment below and if you find this post helpful, please don’t forget to click on like or share buttons.