Tips and trick to fix REALME C30 (RMX3581) problems. We can get several options to buy cheap smartphone, one of them is REALME C30 that work with entry level processor Unisoc Tiger T612 and can not work with 5G connection. We can use 4G LTE for broadband Internet connections. The GPU is use Mali-G57.

When the first time open from the box, Android 11 is ready to use together with Realme UI Go user interface. It has dual simcard slot that can standby together. This phone has single front camera 5 megapixel and back side camera 8 megapixel. We will give more information and solutions about how to solve troubles of REALME C30 at community.


What are Advantages of REALME C30 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 2×1.8 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55
  • GPU Mali-G57
  • Bluetooth / GPS / Wifi
  • Memory Internal 32 GB with 2 GB or 3 GB RAM
  • Memory Internal 64 GB with 4 GB RAM
  • Main Camera 8 MP f/2.0
  • Main Camera Features autofocus, LED flash
  • Front Camera 5 MP for video conference and selfie photography
  • Operating System Android 11
  • Battery Li-Po 5000 mAh



How to Fix or Problem Solving for Recovery REALME C30 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone has limited performance with Unisoc Tiger T612 and the very low price has 32 GB internal storage and 2 GB RAM. Therefore we only can install only important apps to make it work good. Please read many user reviews before install new or not famous apps, because they may contain threat or viruses or malware.

If our REALME C30 install that app, then some troubles may happen like get 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 C30 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 C30. 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 C30 ?

REALME C30 (RMX3581) has several options of RAM with 2 GB or 3 GB or 4 GB. More bigger RAM is better for multitasking. However, some installed applications may crash or corrupt. At this time, our REALME C30 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 C30, 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 C30 ?

REALME C30 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 C30 internal storage using computer file manager. We also can use USB flash drive to connect for file transfer because it has USB OTG (on the go) option.

If our REALME C30 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 below may not work for some devices because of firmware update version or hardware troubles or some other possibilities.

#Option 1, Hard Reset REALME C30 with software menu


  1. Turn on the REALME C30
  2. Make sure the battery is not empty
  3. Backup important data at REALME C30 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 C30 will do the master reset process.


hard reset realme c30

#Option 2, Hard Reset REALME C30 Factory Default using Hardware Secret Button Key

If we can not go to menu, or REALME C30 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 C30
  2. Make sure the battery REALME C30 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 C30 will continue master reset, wait for several minutes until REALME C30 start like new again.


How to Unlock or Fix or Bypass or Solutions for REALME C30 forgot password code or security lock screen pattern or pin (lost password)?

We will have many important data and photos videos. Therefore having security protection is very important to make sure unauthorized people can not access our private data when REALME C30 stolen or lost or away from us.

We can not use fingerprint because it is not available, but there are several default protection that we can choose like pin or password or screen lock pattern. 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 C30 ?

There is no secret hidden code for REALME C30 to make it back to factory default. Please do one following options above for performing hard reset.


How to Format or Erase Phone Memory at REALME C30 ?

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 C30 Stronger, Life Longer and Not Fast to Drain ?

REALME C30 has big battery with 5000 mAh to support working full one day. Please do some adjustment to make REALME C30 battery life longer like make LCD screen not too bright and turn off all not use connections like GPS or Bluetooth or WiFi. NFC is not installed on REALME C30.