About
Device name : Samsung
Model Number : G-530H
Version : Android 5.1
Language : Multi
How to write cert and Qcn file
How to write cert and Qcn file on Samsung G-530 H Duos follow below steps
First of all root your device with same Android version
Open menu then go to setting and about device
Press 8 time build number then turn back and press developer option
Now open USB debugging
Now go to menu and dialer pad dial *#0808# and select DM+Modem+ADB
Now open Z3X and select related model and press repair option
Now press wipe efs/nvm remove imei to 01…..
After removing efs go back to backup option
Press write cert , specify cert file where you save and done
If you face by msl pass error ,now go to repair option and press reset msl
After reset MSL now restart your device manually
Wait a minute when you see menu
Now go back to back up option
Write again cert file
After restart device now write Qcn file
Cert and Qcn file write done and both sim works with this method
Note : Please make a back up of your device before install or update Firmware
Download SM G530H Cert & QCN
Password : pak400
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