Tips and tricks to fix OPPO A55 5G problems. This 5G smartphone release at January 2021 with Android 11 as factory default operating system. It is powered by mid-end 64 bit processor MediaTek MT6833 Dimensity 700 5G together with dedicated GPU (graphic processor unit) Mali-G57 MC2 for fast graphic rendering.

The screen use IPS 6.5 inches HD resolution at 720 x 1600 pixels. At the top of the screen, we can find small notch drop for 8 megapixel front wide angel camera. Some issues about software or hardware troubles happen on OPPO A55 5G, therefore we will try to give more solutions, reviews and information about how to solve OPPO A55 5G (PEMM00) troubles at community.


What are Advantages of OPPO A55 5G Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE + 5G with Dual simcard slot
  • LCD 6.5 inches 20:9 aspect ratio
  • Processor Octa-core (4×2.2 GHz Cortex-A76 & 4×2.0 GHz Cortex-A55)
  • GPU Mali-G57 MC2
  • Bluetooth / GPS / Wifi
  • Memory Internal 128 GB
  • RAM 6 GB RAM
  • Main Camera Triple 13 MP f/2.2 + 2 MP f/2.4 + 2 MP f/2.4
  • Main Camera Features autofocus, LED flash
  • Front Camera 8 MP for video conference and selfie photography
  • Operating System Android 11
  • Battery Li-Po 5000 mAh



Solutions To Fix Camera Issues On OPPO A55


How to Fix or Problem Solving for Recovery OPPO A55 5G hang or not responding or malfunctions or stuck or freezing or bricked ?

We need to know that all installed application and games will be saved at internal memory. Therefore internal storage is very important for active smartphone. OPPO A55 5G already have big internal storage with 128 GB. We can download many apps from Google Play Store without troubles.

There are some new or not famous applications that can make troubles if installed on our OPPO A55 5G (PEMM00), because they contain viruses or malware that can make troubles like become slowly or hang or stuck or broken or frozen or LCD touch screen not responsive. If we really need to download that kind of apps, then please read many user reviews first. These kind of apps will not get Verified by Play Protect information / icon.

If we get this problem, we have to try remove temporary files and caches inside this phone, because some troubles can be solve with this steps. If we are suspected infected by virus, then please install one good antivirus like Avast or Norton, then scan all content inside this phone.

However, if the problems still happen, then we have to do hard reset to reformat our phone. Please remember, doing hard reset or master format can make our important data removed or wiped from this phone, this is also happen with all Google account which will remove from OPPO A55 5G. We are not recommended to install APK from unknown resource for safety reasons.


Solutions To Fix Lagging Slowly Issues On OPPO A55



How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO A55 5G ?

This phone has sufficient RAM for multitasking with 6 GB capacity. However, sometime installed applications may crash or corrupt. Our OPPO A55 5G will not run normally such as become hang or LCD touch screen not responding with any finger touch. We need to do soft reset or reboot to remove temporary files and caches. Please press and hold POWER button until OPPO A55 5G shutdown or turn off by itself.

After this phone totally off, then we can press again POWER button to turn it ON. This process will not remove any important data, therefore we can do this process anytime we want. If our OPPO A55 5G still can work properly, but we want to clear temporary files and caches from some applications, then please press and hold POWER button until pop-up menu appear, continue choose Shutdown / Power off / Reboot menu.


How to backup data or Contact at OPPO A55 5G ?

This phone has external memory slot for MicroSD / MicroSDXC. We can backup all important files or photos videos from internal memory to external memory using default Android file manager.

We can use USB data cable to connect with computer. After our phone recognize by computer, then choose important files using computer file manager and copy to safety location at our computer.

If our OPPO A55 5G 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.


More Complete Solutions To Backup & Restore Data, Photos, Chat, Contact On OPPO A55



Please note: These options bellow may not work for some devices because of firmware update version or hardware troubles or some other possibilities.

#Option 1, Hard Reset OPPO A55 5G with software menu

  1. Turn on the OPPO A55 5G
  2. Make sure the battery is not empty
  3. Backup important data at OPPO A55 5G 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 A55 5G will do the master reset process.


hard reset oppo a55 5g

#Option 2, Hard Reset OPPO A55 5G Factory Default using Hardware Secret Button Key

If we can not go to menu, or OPPO A55 5G 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 A55 5G
  2. Make sure the battery OPPO A55 5G 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 A55 5G will continue master reset, wait for several minutes until OPPO A55 5G start like new again.


How to Unlock or Fix or Bypass or Solutions for OPPO A55 5G forgot password code or security lock screen pattern or pin (lost password)?

A lot of data will be saved inside OPPO A55 5G internal memory. This phone also will have many private photos videos which taken from three rear camera 13 megapixel f/2.2 for wide + 2 megapixel for macro + 2 megapixel for DoF or Bokeh effect. Confidential data should not easily access by unauthorized people, especially when OPPO A55 5G (PEMM00) away from us or lost or stolen.

Fingerprint is located at side body. It is easy to access from any moment, whether inside our pocket or on the table. Front camera also can work as face unlock recognizing. We need to choose secondary protections like pin or password or screen lock pattern for backup when fingerprint or face unlock on OPPO A55 5G can not work, especially after reboot or restart. However, the problems will start happen when we can not unlock this phone or fingerprint can not work. What should we do?

Don’t worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at OPPO A55 5G use registered Google account. But we have to force hard reset or master format using hardware button combination key like steps at #Option 2 above. New OPPO smartphone already use latest Android version already implement FRP (Factory Reset Protection). FRP is important to secure our phone when it is stolen or lost. Android will ask to Verify your account with previous Google Account. This procedure target is to make sure that this phone is really belong to us.

At some Android version, we can bypass using previous installed Google account username and password after finish performing hard reset or master format. But at some other version update, we still have to type our screen lock pin or password protections. We can bypass using software at personal computer, but these steps are complicated for many users. Therefore we suggest to ask OPPO service center for bypass protections, but we have to proof that this is our phone. We also recommended to activate or create OPPO ACCOUNT at OPPO A55 5G, because it can help us to bypass forgotten security protections.


If we can not turn off our OPPO smartphone, then please force soft reset or reboot by press POWER BUTTON + VOLUME UP BUTTON for several seconds (usually less then 10 seconds) until this phone reboot by itself.


Is That Any Secret Code for Doing Format OPPO A55 5G ?

There is no secret hidden code for OPPO A55 5G to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at OPPO A55 5G ?

If we want to format internal memory phone then we have to do hard reset or reformat the operating system of OPPO A55 5G 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 A55 5G Stronger, Life Longer and Not Fast to Drain ?

We will get 5000 mAh battery capacity when we use OPPO A55 5G (PEMM00). The battery is not removable and does not have fast charging technology. However, this phone still can work full one day for standard activity.

If we want to make OPPO A55 5G work more longer for active usages like watching movie or playing games then please do some adjustment like make LCD screen brightness as low as possible and disable all not use connections like GPS or Bluetooth or Wifi. OPPO A55 5G does not have NFC connection.