Tips and tricks to fix OPPO F1S problems. If we want to have bigger screen smartphone, one good options is OPPO F1S, because it have 5.5 inches LCD screen and have dual simcard slot for GSM-GSM standby together, but we only can receive one phone call at one time. Find how to solve some trouble of OPPO F1S from


What is Advantage of OPPO F1S Specifications:

LCD 5.5 inches
Internal memory 32 GB
External memory MicroSD card slot maximum 256 GB
Main Camera 13 MP, f/2.2, phase detection autofocus, LED flash
Front Camera 16 MP, f/2.0, 1/3.1″ sensor size, 1080p for selfie photography
Processor Octa-core 1.5 GHz Cortex-A53
GPU Mali-T860MP2 for lag free games
Operating system Android Lollipop ver 5.1
Battery Li-Po 3075 mAh battery



How to backup data or Contact at OPPO F1S ?

We always suggest all users to backup important data when our phone still work properly, backup is always needed for copy important files inside internal memory. In some free time we need to backup all important files at computer or external card periodically. We can use microSD external card to copy or move important files using File Manager applications. If our OPPO F1S has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.


#Option 1, Hard Reset OPPO F1S with software menu

  1. Turn on the OPPO F1S
  2. Make sure the battery is not empty
  3. Backup important data at OPPO F1S because all data and applications will be erase or delete
  4. Go to Menu :  Setting 
  5. Choose Tab : General
  6. Press Backup & 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. Choose Reset phone 
  9. The OPPO F1S will do the master reset process.


hard reset oppo f1s


#Option 2, Hard Reset OPPO F1S Factory Default using Hardware Secret Button Key


If we can not go to menu, or OPPO F1S 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 F1S
  2. Make sure the battery OPPO F1S already full or more than 50%
  3. Press together and hold the Power Button + Volume Down Button
  4. If the Logo appear, then release the button, after that we will enter some menu
  5. Choose wipe data / factory reset using Volume Button, and press Power Button to Enter or OK
  6. The OPPO F1S will continue master reset, wait for several minutes until the OPPO F1S start like new again.


Is That Any Secret Code for Doing Format OPPO F1S ?

There is no secret hidden code for OPPO F1S to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO F1S

There are two phone memory type at OPPO F1S, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO F1S as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.


How to Make Battery of OPPO F1S Stronger, Life Longer and Not Fast to Drain ?


Using 5.5. inches LCD screen need more bigger battery to make this phone can work fully one day without recharge for standard usage. OPPO F1S already have big battery at 3075 mAh capacity. Basically it is good enough to run more then one day for do some work. But if we use OPPO F1S for watch movie or playing games, then maybe this battery capacity still not enough. However, we can do some adjustment to make OPPO F1S battery not fast to drain by adjust LCD screen brightness as low as possible.

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