How to Easily Master Format OPPO A39 with Safety Hard Reset?

Tips and tricks to fix OPPO A39 troubles. This phone have 5.2 inches LCD screen with with HD resolutions at 720p. This phone have good camera with 13 megapixel camera resolutions at backside of the body, and have Ultra-HD capabilities to take pictures at 50 megapixel. Of course we need to have bigger storage capacity when taking pictures with Ultra-HD, therefore we need to use external memory maximum 256 GB which located at dedicated external memory slot, we still can use dual simcard together with external memory. Find more information and solutions to solve problems of OPPO A39 at community.

What is Advantage of OPPO A39 Specifications?

Network GSM 3G HSDPA or with 4G LTE Dual simcard
LCD 5.2 inches
Octa-core 1.4 GHz Cortex-A53
Bluetooth / GPS / Wifi
Memory Internal 32 GB with 3 GB RAM
External memory 256 GB microSD dedicated slot
Camera 13 MP, f/2.2, phase detection autofocus, LED flash
Front Camera 5 MP, f/2.0 for video conference and selfie photography
Operating System Android Lollipop version 5.1
Battery Li-Ion 2900 mAh

#Option 1, Hard Reset OPPO A39 with software menu

  1. Turn on the OPPO A39
  2. Make sure the battery is not empty
  3. Backup important data at OPPO A39 because all data and applications will be erase or delete
  4. Go to Menu : Setting
  5. Choose Tab :General
  6. PressBackup & Reset > Restore factory setting
  7. Better you not check anything at the option if you do not want to erase data at data partition at internal memory
  8. ChooseReset phone
  9. The OPPO A39 will do the master reset process.

hard reset oppo a39

#Option 2, Hard Reset OPPO A39 Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO A39 can not turn on or hang or stuck or frozen so we can not access the menu setting or nothing happen while touch the screen, then try to factory reset with secret button and hardware key

  1. Turn off the OPPO A39
  2. Make sure the battery OPPO A39 already full or more than 50%
  3. Press together and hold thePower Button + Volume Down Button
  4. If the Logo appear, then release the button, after that we will enter some menu
  5. Choosewipe data / factory resetusingVolume Button, and pressPower Buttonto Enter or OK
  6. The OPPO A39 will continue master reset, wait for several minutes until OPPO A39 start like new again.

How to Make Battery of OPPO A39 Stronger, Life Longer and Not Fast to Drain ?

Why is OPPO A39 battery empty to fast? How strong OPPO A39 battery? First we have to know that OPPO A39 have 2900 mAh battery capacity. For 5.2 inches width screen size actually this capacity is enough for standard activity. But because OPPO A39 have big RAM and Internal memory, then most users use this phone for playing games or doing entertainment for several hours, of course OPPO A39 battery will not enough. However, we still can try to do some adjustment to make OPPO A39 battery stronger. First please reduce LCD screen brightness as low as possible.

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