Hello everyone! Welcome back. Today, I’m going to discuss on the different steps to be followed to successfully flash stock firmware/ROM in LG smartphones/tablets. Android, being an open source provides the user to have a complete control on almost everything. We can root our device by flashing Custom ROMs and that lets us have some enhanced features on our smartphones.
But having Custom ROMs in our phones or the process of doing that is not easy as we say. One wrong step, and there you will be with your device bricked. In such cases, you should go for flashing stock firmware.
If you are having an LG phone or tablet, you can use the LG Flash Tool to install the official firmwares with .KDZ or .TOT extension to restore your device to stock. In case you’ve been experiencing some serious issue on your LG phone, or you just want to downgrade or upgrade device firmware, the LG Flash Tool is a must-have utility. Now, let’s discuss on the detailed steps to be followed to flash LG stock firmware.
Take a complete back up of data from your device as the flashing always wipes out the complete data from your phone memory.
Charge your Phone at least up to 70-75 %.
Before you connect your device to your PC by USB cable, You should make sure that any Antivirus in your PC is switched off.
Download KDZ firmware on your LG device. Warning: KDZ firmware are different for different LG devices and model as well. A wrong KDZ firmware can brick your device.
connect your LG phone to your computer after turning it off. (usually, by pressing both the volume buttons). After connecting, it must show Download mode with the firmware update screen.
Select the type as CDMA, and then select the downloaded KDZ firmware file and hit CSE flash.
Normal Flash – “Normal Flash” If you want to install Stock Rom then you should select “Normal flash” another thing I want say, in this, you will not lost any data from applications and Internal memory and Memory chip.
CSE Flash – If you want to flash Custom Rom (Custom Rom is not official one. more details about custom Rom.) then, select “CSE Flash” as wel as in this, you will lose all your data from applications and Internal memory. CSE make a clean installation. you can flash Stock Rom with CSE too.
Ignore the message written on the next window and just hit the start button.
On the prompted window, Select your region, language accordingly and select clear phone registry and click OK.
It will take some time to complete. Once done, it should reboot automatically. Wait for some time for the process to complete.
“I can go to S/w Upgrade mode but i can’t go to Recovery mood”. If you face this kind of problem then install Stock Rom again. If you have any other problem please comment.
now my screen would become consistently unresponsive to touch or power button controls. I do Factory reset also, but problem persist. If you face this kind of problem,
please Try to Factory reset. If not works, then Try to CSE flash. Not the normal Flash. If not works download another Stock Rom because that Rom may be damaged.
Now it says ” Connection to server failed. Try again in a moment” And my phone sucked in Download mode.
Don’t press Ok and please wait because still copying in the background window and on phone screen as wel. however if not works then, Press power button and hold it till u get lg logo. any other problem? please comment
Then Try to CSE flash. If not works,That’s mean, The Rom which you choose is not match with your phone try to find another one.
Yes you can. but you Have to Find the Stock or Custom Rom first then use above guide.
When you Flash new Custom Rom, If it is still testing one then you will definitely get errors.. Like GPS Camera fail, WIFI fail, NFC fails.. So, in this situation, You have to get previous version of android OS. you can use this post to go Back to kikat or Lollipop. go above one of Link and find previous version of android.
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