New official firmware for primo F1 (Build Number: A51B_WALTON_V0_0_9) [solved: black screen, memory & others bugs]
D/L text file from attachment "Primo F1 FW v. 0_0_9" you will get download link
Guide:
1. Install USB cable drive software. (From "Driver" folder )
2. Open Flash Tools MultiportDownload.exe (From "Download Tools" folder)
3. Select smart phone and press ok.
4. Click "Select file" for select scatter file
5. Select scatter file (MT6575_Android_scatter_emmc) from software folder (Under "WALTON_Primo_F1_Firmware" folder)
6. Download file load successfully will show. click "ok" button.
7. Press "Start all"
8. Under POWER OFF mode press & hold Volume up and down key together, then put USB cable in to Handset charging port
(with battery). Software process will be start within few second.
9. Wait till complete software update process.
** NOTES... If auto driver installation failed (step 1) then install manually after ( step 8 ) connect USB
D/L text file from attachment "Primo F1 FW v. 0_0_9" you will get download link
Guide:
1. Install USB cable drive software. (From "Driver" folder )
2. Open Flash Tools MultiportDownload.exe (From "Download Tools" folder)
3. Select smart phone and press ok.
4. Click "Select file" for select scatter file
5. Select scatter file (MT6575_Android_scatter_emmc) from software folder (Under "WALTON_Primo_F1_Firmware" folder)
6. Download file load successfully will show. click "ok" button.
7. Press "Start all"
8. Under POWER OFF mode press & hold Volume up and down key together, then put USB cable in to Handset charging port
(with battery). Software process will be start within few second.
9. Wait till complete software update process.
** NOTES... If auto driver installation failed (step 1) then install manually after ( step 8 ) connect USB
Cable as soon as possible.)
Primo F1 FW v. 0_0_9 new.txt
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