Before Flashing Your Stock Firmware | Android Tips

Flashing a phone might sound simple to a novice.  A kind of flashing it with a camera’s light? Haha! That’s far from the point. These days, even the blind can explain what flashing is all about.

Well, to make it simple, flashing is simply replacing all or a particular area of a phone’s operating system[software] with the stock(factory) or a customized one(custom ROM) The OS has various segments e.g,  recovery, boot image, system, modem, theme etc.

  Flashing is at owner’s risk and can damage your phone. Therefore it should be a last resort. You might have to flash your smartphone after you have tried these first aid procedures.

 

Before Flashing Your Stock Firmware | Android Tips

 

  • My phone is failing to turn on? Check battery voltage or battery connectors.
  • My phone is very slow: Try removing some apps, data, and clearing of cache via the recovery mode.
  • My phone keeps rebooting several times: Hard reset it and see if it would solve the rebooting issue.
  • My phone hangs when I am not even multitasking: Reset factory settings or install an antivirus like 360 to help check memory hungry apps.
  • Unfortunately.. has stopped working: Clear the app’s data and cache, not fixed yet? Uninstall the app and if it’s not still ok, Factory reset it.
  • Apps autorun and won’t stop running even after force closing them: Install an anti-virus or manually uninstall them.
  • Am tired of the stock ROM, OK: You can flash a new one, either stock or custom, but follow the right procedures.
  • After flashing, the phone isn’t working as expected: Reflash, check ROM statistics, follow the process very well.

Before Flashing Your Stock Firmware | Android Tips & Tricks

Before Flashing Your Stock Firmware | Android Tips
  1. Make sure you backup your stock ROM [The one that came with the phone] Via a custom recovery like TWRP or Clockwork Mod or via the official tool. For e.g, Use Sp flash tool to backup your MediaTek device before toiling with the firmware.
  2. Backup your efs or NVRAM folder. The EFS & NVRAM folder contains very important information about your phone that can disrupt network/wireless connectivity if missing or corrupted.
  3. Backup all of your user data before playing with your Operating System. Android Users can backup data using Moborobo Pc Software. 
  4. You can as well copy down your IMEI numbers in case you lose it. [Mostly MTK devices lost their IMEI when formatted using sp flashtool]
  5. Make sure the ROM you are going to flash is specifically for your phone model. Sometimes you need to open the panel to check the board id etc.
  6. Check the board id or processor type and model number before flashing.
  7. Cross check the loaded files and settings before pressing the red button. All flash tools have very important precautions. E.g in Odin for Samsung galaxy devices, its always recommended not to tick repartition unless you know what you are doing. Sp flash tool recommends you do not flash preloader.bin, uboot(LK.bin), and userdata unless you actually know what you are doing. Always check the precautionary measures in the tool or package you are using.
  8. The battery should be fully charged or above 50% before flashing. This is very important. Sometimes, the battery power is needed to keep the flashing going. If its low, imagine what would happen.
  9. The choice of USB cables should be original. Yes yes yes. Some errors during flashing or installations via USB are caused by faulty or fake USB cables.
  10. Remove the sim and sd card before flashing, unless you’re installing from the sd card. For preventive measures, unless otherwise instructed, SD card and SIM should be kept aside until the job is done.
  11. Make sure all the necessary drivers are installed on the PC you are using to flash. If drivers aren’t properly installed, you are going to see too many errors.
  12. You can freeze your system’s anti-virus before flashing. Yes! Anti-Virus sometimes misbehaves and do what they weren’t paid or asked to do. You don’t really need your Antivirus during flashing unless the Antivirus is the smartphone’s flash tool which I know it can’t.
  13. (Repeated) Be careful. Repartition in Odin should be checked when you have the pit file in the flash files.
  14. Read this tips a second time.
  15. Like I said earlier, you can backup your user data with a PC software called Moborobo. It’s very cool and would save you some tears.

Before Flashing Your Stock Firmware | Android Tips


  •  Allow the phone to cool down for about some seconds before forcing it to power on or off. The files need to be installed and optimized.  Why hurry?
  •  Sometimes it’s necessary to factory reset or clear data and cache if there is a boot-loop. This is recommended if the boot up is taking longer than normal. Removing and reinserting the battery could also help.
  •  Allow the phone to completely boot-up. It might take a while for its first boot to be complete. Stressing on this because it’s important.
  •  Do not remove the battery when the phone is still booting. If you do that, you probably have grudges against your phone.
  •  Give it some time after the first boot so as to make the system snappy. Unless your phone has a 16gb RAM. Does it?
  •  Install a good anti-virus like 360 security, charge the phone and then, you can gradually restore your user data.

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