Before proceeding to “ How to get Volte in Le Eco 1S which is running on Eui 19S stable version “ things we need is an entirely clean installation of ROM like without any changes in the core files example like edits in the build.pro file and other tweaks which have done on ROM will not work for this tutorial.
With this guide get VoLTE on Le 1s
So we suggest to install it freshly and proceed with the guide to get the perfect volte feature running on your le Eco 1S device.
You may get many guides on how to get back to the stock ROM for Le Eco 1S device on the Internet in Le Eco-forum or XDA developers forum.
For seamless proceeding we have tied the relevant and useful links below:
How To Get Volte in Le Eco 1S Which is Running on Eui 19S Stable Version
Reminding you once again only proceed with the clean ROM (Eui 5.8.019S)
Step #1 You have to Flash TWRP recovery and Root your device by flashing Super SU.zip file
Step #2 After completing with the Step #1 Now you have to install some applications from Google Play Store which are Terminal Emulator, Settings Database Editor & ES File Explorer.
Step #3 Now open Terminal Emulator and type “su” without quotes and grant the root permissions to Terminal Emulator restart your device.
Step #4 After restarting your device open Terminal Emulator and type “su” then type “pm grant by4a.setedit22 android.permission.WRITE_SECURE_SETTINGS” then close the Terminal Emulator.
Step #5 Now open Settings Database Editor and press on “Global” and look for “volte_vt_enabled” now change the value to “1” and close the App.
Step #6 Open ES File Explorer and proceed into options by pressing on three bars at top left corner the proceed to the bottom of options and enable “Root Explorer” then grant the root permissions for ES File Explorer.
Step #7 Now navigate to the root folder of your device and then proceed to “/system/” and look for “build.prop” and open it with ES text editor the in the file scroll to the bottom and find for this three values and change to “1” as shown in image below.
Step #8 Now open “Settings” in your phone then go into “Dual Sim & mobile networks” then click on “Sim 1” and press on “APNs” now at the bottom press on “Reset” the restart your device.
Final and the last Step: Open your phone Dialer and press “*#*#3646633#*#*” then you will proceed into engineering settings of your phone.
In engineer mode click on “IMS” then click on “CALL” after that press on “UA_call_amr_fmt_variant” now un-tick the first option and the third option then press on “SET” at the bottom.
Then navigate or press back button two times and proceed to “Common” and select the second option “mncmcc check” now under this option check on “off” and press on set.
Now you can see a HD icon beside signal bars which indicates Volte feature is running on your phone so congratulations you have successfully enabled volte on your Le Eco 1S device.
[su_note note_color=”#fcbdc2″]When you reboot, your mobile remember to follow Step #8 and Final Step again to get HD (Volte) feature.[/su_note]
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