you can download Firmware / stock rom via Mediafire Server which is not in limit and not in password. All the tutorials are free and I have tested myself all the problems like bootloop, softbrick, hardbrick, stuck logo / hang, successfully run smoothly and normal again.
How to Flash Firmware
Step 1: you should download the firmware and prepare tools such as computers – usb cable – and internet network.
Step 2: After you finish downloading the zip file above now you extract it in a folder then you will find software, drivers, and firmware.
Step 3: Installing drivers is easier to do if you connect to the internet and connect the smartphone directly in download mode. if not please please install the driver manual in the zip file that you extracted earlier.
Step 4: Next you read link link below to go to tutorial page more complete with picture
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