If your smartphone Oppo A55 it works very slow, it hangs, you want to bypass screen lock, or you have a full memory, and you want to erase everything, or you want to sell it or give it away and you want nobody to be able to access your files and passwords you can do a factory reset so that it returns to be like the first day.
In the following steps we explain how to format the Oppo A55 to erase all your information and make it totally clean as it came out of the store.
Before doing a factory reset we recommend you delete all the accounts on the device, specifically it is useful to unlink the Google account if you are going to sell, donate or give away your A55. In this way we will avoid problems for the new user since some More modern devices include a functionality called FRP or Factory Reset Protection that requests the same Google account with which the Oppo A55 was initially configured when factory restoring a device.
You must bear in mind that a reset or return to the factory state in a mobile/cell phone deletes all its content, so you must make a backup of your data before doing it if you do not want to lose everything.
In case you do not want to erase the data from the device, you can try to restart the Oppo A55.
There are two ways to do a reset on an Oppo A55 one through the mobile options and another more complete from the recovery mode.
If you want to make a reset using the device options to return to the factory state an Oppo A55 you have to follow these simple steps:
Estimated time: 5 minutes.
1- First step:
Access the settings menu of your device Oppo CPH2325, this is the cogwheel icon.
2- Second step:
Scroll down the Oppo A55 settings to the bottom where you will see the section called “System”, click to continue.
3- Third step:
If you see a section called “Advanced” click to display the advanced options of the Oppo A55.
4- Fourth step:
Click on “Reset options” from this section it will allow us to restore network options, applications or reset the Oppo A55 completely.
5- Fifth step:
Click on the last option called “Erase all data (factory reset)” or simply “Factory data reset”.
6- Sixth step:
A first confirmation message will appear reminding you that all your data will be deleted from this device, the data you have uploaded to Google, Facebook, Twitter, Instagram or backup copies that you have in the cloud, such as Google Drive, Dropbox or One Drive, will not be deleted. Press “Reset phone”.
7- Seventh step:
A second confirmation message will appear indicating that all information stored on the Oppo A55 and all downloaded applications will be erased and reminding that this action cannot be undone. If you agree, click on “Erase Everything”.
8- Eighth step:
If necessary, draw the screen unlock pattern or enter the screen unlock password or PIN to continue.
9- Ninth step:
Your device A55 from Oppo it will restart and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the operative system Android 11, ColorOS 11.1.
Restore with hard reset or Recovery mode your Oppo A55 can solve problems that have not been solved with a normal factory reset.
1- First turn off your Oppo A55 completely. If you can not unlock the screen, press and hold the power button for about 20 seconds and the phone will turn off.
2- Keep holding on volume down and power keys together for a few seconds in your Oppo A55. In some devices according to the Android version the combination can be the power key and the volume key up.
3- When the Oppo logo is displayed, release the buttons.
4- Move through the menu with the volume up and volume down keys until you reach the “Recovery Mode” option and press the power button to access.
If the device menu appears in Chinese characters, click here to see how to reset a mobile in Chinese
5- Use the volume up and volume down keys to select the “wipe cache partition” option and press the Power button to activate the option and clear the mobile cache.
6- After a few seconds you will return to the previous screen, with the volume buttons go to the option “wipe data / factory reset” and press the power button to enter. A screen with many NOes and a YES will appear, with the volume keys again go to the YES and press with the power key.
7- After finishing again with the volume keys, click on “reboot system now” and press the power key of your Oppo A55, the device will reboot and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the system Android 11, ColorOS 11.1.
About the device:
Oppo A55 is a device with 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in), a weight of 193 grams, a screen resolution of 720 x 1600 pixels, 20:9 ratio (~270 ppi density).
It has a processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), a graphics card PowerVR GE8320, a RAM memory 4/6 GB and an internal memory of 64GB 4GB RAM, 128GB 6GB RAM.
The Oppo A55 it comes from the factory with the operating system Android 11, ColorOS 11.1