Tips and tricks to fix OPPO A78 4G problems. This is 4G smartphone without 5G connection, because it use Qualcomm SM6225 Snapdragon 680 4G processor and work with dual simcard slot standby together for two different phone numbers standby together, but we only can received one call at one time.
The LCD use AMOLED type with 6.43 inches LCD screen size and protected by Corning Gorilla Glass 5. The first operating system installed with Android 13 and ColorOS 13.1 user interface. We will give more solution, review and information about how to solve troubles on OPPO A78 4G (CPH2565) at www.hard-reset.org community.
What are Advantages of OPPO A78 4G Specifications and Features?
Complete Solutions To Fix OPPO A78 Camera Issues
Follow this page to solve front or rear camera troubles at OPPO A78
How to Fix or Problem Solving for Recovery OPPO A78 4G hang or not responding or malfunctions or stuck or freezing or bricked ?
This phone has 128 GB or 256 GB internal memory options. We can download more apps from Google Play Store, but please be careful because some of them may contain malware or threat or viruses. Therefore we have to read many user reviews before install new or not famous apps.
Our wise, our OPPO A78 4G might get some troubles like getting hang or freezing or become slowly or stuck or broken or LCD touch screen not responsive. These kind of apps will not get Verified by Play Protect information / icon.
What do we have to do? Please try to remove temporary files and caches from internal memory by performing soft reset or reboot. We might get some help from antivirus applications like AVAST or NORTON to find suspected application and fix some bad setting options.
We also can clean temporary files and caches anytime by performing reboot or restart. This procedure will not remove any installed applications and important data, therefore we can do this process anytime we want. Please do not install APK from unknown resource for safety reasons.
How to Force Shutdown or Force Soft Reset or Reboot or Restart OPPO A78 4G ?
OPPO A78 4G has enough RAM for multitasking. It is use 8 GB RAM. Some other installed applications might get hang that make LCD touch screen not responding. We have to force reboot or soft reset or restart by press and hold POWER button until OPPO A78 4G turning off or shutdown.
Performing reboot or restart is recommended anytime we want, because it can help to make our OPPO A78 4G become faster. It will remove any temporary files and caches. All applications and data will not removed or wipe because of soft reset or reboot or restart.
How To Make Faster OPPO A78. Improve Performance?
This page will give simple solutions to fix lagging issues on OPPO A78
How to backup data or Contact at OPPO A78 4G ?
This phone has external memory slot for MicroSDXC memory card. We can copy and paste all important files, photos, videos from internal memory using 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. We also can connect OPPO A78 4G with flash drive at USB OTG port.
If our OPPO A78 4G 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 / Contact / Photos on OPPO A78
Follow this page to backup & restore data inside OPPO A78
Please note: These options below may not work for some devices because of firmware update version or hardware troubles or some other possibilities.
#Option 1, Hard Reset OPPO A78 4G with software menu
#Option 2, Hard Reset OPPO A78 4G Factory Default using Hardware Secret Button Key
If we can not go to menu, or OPPO A78 4G 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
How to Unlock or Fix or Bypass or Solutions for OPPO A78 4G forgot password code or security lock screen pattern or pin (lost password)?
By having big internal memory, we will have many photos and videos that taken from dual camera 50 megapixel for wide and 2 megapixel for depth of field. We need to make sure all important data are always secure from unauthorized people, especially when this phone away from us or lost or stolen.
Fingerprint is ready to use, but we also can use front camera for facial recognizing. Please choose secondary protection for backup like pin or password or screen lock pattern. Why? Because after OPPO A78 4G restart or reboot, the fingerprint or face unlock will not work. However, the problems will start happen when we can not unlock this phone or fingerprint can not work. What should we do?
If we forgot or can not unlock OPPO A78 4G security protection, then nothing we can do unless doing hard reset or master format using hardware button combination key like steps at #option 2 above. For more security protection, latest Android version has FRP (factory reset protection), therefore it will ask for previous Google account username and password to bypass FRP question.
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 A78 4G ?
There is no secret hidden code for OPPO A78 4G to make it back to factory default. We need to choose one following options above to hard reset.
How to Format or Erase Phone Memory at OPPO A78 4G ?
When we need to remove or wipe any data and applications from OPPO A78 4G, then please performing hard reset or reformat. Please choose Erase all data / Internal storage when our phone has that menu. Performing hard reset or reformat will remove any registered Google account from OPPO A78 4G.
How to Make Battery of OPPO A78 4G Stronger, Life Longer and Not Fast to Drain ?
OPPO A78 4G (CPH2565) battery capacity is 5000 mAh. It is good enough to work full day without recharge. This phone has 67W fast charging technology from Qualcomm. However, if we are away from charger and need to make OPPO A78 4G battery work longer, then please do some adjustment like make LCD screen brightness as low as possible and turn off all not use connections like GPS or NFC or Bluetooth or WiFi.
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