Download LYF LS-4505 Flash File, Official Firmware File/ Stock ROM.
How to Flash LYF LS-4505 :
1 – Download LYF LS-4505 Flash File
2 – Install QPST Tool
3 – Install Driver
4 – Open Qfil tool
5 – To flash, the phone must be in download mode
6 – Press Volume Up and Down Together and plugin data cable
7 – Now see Qualcomm port in Flashtool
8 – after Click On Browse and select Programmer File
9 – Now Click On Load XML and Select rawprogram_unsparse.xml From Flash File Folder
10 – Select Patch File patch0.xml
11 – After Click On Download Bottom and wait for the flashing to finish.