Tips and tricks to fix REALME C25S (RMX3195) problems. This phone has dual simcard slot without 5G connection, but we can use 4G LTE for broadband Internet access. We can use dual simcard with different GSM numbers standby together. It is powered by MediaTek Helio G85 that has dedicated GPU (graphic processor unit) Mali-G52 MC2 for graphic rendering. This phone use Android 11 OS together with Realme UI 2.0.

The screen use 6.5 inches size HD resolution at 720 x 1600 pixels. It has 8 megapixel front camera that located with notch drop at top screen. Some issues about software or hardware happen on REALME C25S (RMX3195), therefore we will try to give more solutions, reviews and information about how to solve REALME C25S troubles at community.


What are Advantages of REALME C25S Specifications and Features?

  • Network GSM 3G HSDPA or 4G LTE Dual simcard
  • LCD 6.5 inches 20:9 aspect ratio HD Resolution
  • Processor Octa-core 2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55
  • GPU Mali-G52 MC2
  • Bluetooth / GPS / Wifi
  • Memory Internal 64 GB or  128 GB
  • RAM 4 GB
  • Main Camera Triple 48 MP f/1.8 (or 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 6000 mAh



How to Fix or Problem Solving for Recovery REALME C25S hang or not responding or malfunctions or stuck or freezing or bricked ?

With two options of internal memory 64 GB or 128 GB and powered by MediaTek Helio G85 processor, we can download several applications and games from Google Play Store. We can use MicroSDXC if we want to extend the storage because this phone has dedicated external memory slot.

Please read several user reviews before install new or not famous applications, because some apps may contain viruses or malware that can make some troubles if installed on our REALME C25S (RMX3195) such as hang or become slowly or stuck or broken or frozen or LCD touch screen not responsive. These kind of apps will not get Verified by Play Protect information / icon.

To solve this problems, we need to clean temporary files and caches inside this phone. We also have to remove or uninstall suspected applications that may have viruses or malware. We need to install recommended antivirus on our REALME C25S like Avast or Norton. This applications will scan all installed apps and give recommendation for our bad or high risk setting. When some troubles still happen, then we have to do hard reset or reformat our phone to factory default.

We have to know that all data will be wiped or removed after finish performing hard reset. All Google account will be removed or deleted from REALME C25S. Please do not install any APK files from unknown resources for safety reasons.


How to Force Shutdown or Force Soft Reset or Reboot or Restart REALME C25S ?

RAM is very important for performing multitasking. This phone has 4 GB RAM. Some installed applications may crash or corrupt. At this time, our REALME C25S will get hang or stuck or frozen or LCD screen not responsive. We have to force shutdown or force soft reset for remove caches and temporary files.


Please and hold Power Button for several seconds until this phone turn off by itself. Continue to turn it on by press Power Button again. This process will not remove any files and installed application from our REALME C25S, therefore we can do this process anytime we want.

How to clean temporary files and caches when this phone work properly? By doing soft reset or reboot or restart, the temporary files and caches will be clean up automatically. Please press and hold Power Button until pop-up menu appear on the screen, then choose Power Off / Reboot / Shutdown button.


How to backup data or Contact at REALME C25S ?

REALME C25S has MicroSD simcard slot for external memory. We can backup / copy all important files and photos or videos from phone internal memory using default Android file manager, then paste it on MicroSD external memory for backup.

We can connect this phone using USB data cable to computer. After our computer finish recognizing our phone, then we can browse REALME C25S internal storage using computer file manager.

If our REALME C25S 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.


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 REALME C25S with software menu


  1. Turn on the REALME C25S
  2. Make sure the battery is not empty
  3. Backup important data at REALME C25S 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 to 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 REALME C25S will do the master reset process.


hard reset oppo realme c25s

#Option 2, Hard Reset REALME C25S Factory Default using Hardware Secret Button Key

If we can not go to menu, or REALME C25S 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 REALME C25S
  2. Make sure the battery REALME C25S 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 REALME C25S will continue master reset, wait for several minutes until REALME C25S start like new again.


How to Unlock or Fix or Bypass or Solutions for REALME C25S forgot password code or security lock screen pattern or pin (lost password)?

Why we need to give security protection? As we know this phone will help us to support many activity with several applications that has many important data. With triple cameras, we can have some private photos videos. Therefore we have to secure all data from unauthorized people when REALME C25S stolen or lost or away from us.

Fingerprint is fast to use. We can use 8 megapixel front camera for facial recognizing. Please choose secondary protection for backup like screen lock pattern or pin or password. Because REALME C25S fingerprint or face unlock can not work after reboot or restart. We have to unlock using secondary protection. However, the problems will start happen when we can not unlock this phone or forgot security pattern / password / pin or fingerprint can not work. What should we do?

The only solutions to bypass forgotten security protection or screen lock pattern or pin or password is doing hard reset or reformat using hardware button combination key like steps at #Option 2 above.

New Android OS already has FRP (Factory Reset Protection). It is important to secure our phone if stolen or lost. If some unauthorized people force hard reset, then new reformatted Android will ask to verified with previous Google account.

Please note, after performing hard reset, some version of Android still ask for password or pin or security protection. We can bypass this protection using software that installed on personal computer. If we are not sure how to do that, please ask Oppo / Realme service center for bypass protections.


Is That Any Secret Code for Doing Format REALME C25S ?

There is no secret hidden code for REALME C25S to make it back to factory default. Do the options above for performing hard reset.


How to Format or Erase Phone Memory at REALME C25S ?

This phone does not have external memory slot. If we want to format and erase all data from all storage, please do hard reset using menu setting like steps at #option 1 above. This process will remove any data from internal storage together with reinstall the Android operating system to factory default.


How to Make Battery of REALME C25S Stronger, Life Longer and Not Fast to Drain ?

REALME C25S (RMX3195) has big monster battery at 6000 mAh. Many users can use this phone full one day or more. However, some users use this phone too much for playing games or watching movies. Please do some adjustment to make REALME C25S battery work more longer. We have to make LCD screen not too bright. We also have to disable all not use connections like GPS or Bluetooth or Wifi. NFC is not available on REALME C25S.