The safest method
A.R. OFFICIAL
This method is applicable to all variants of JioPhone irrespective of there processor (Qualcomm or Spreadtrum), and OS version 2.0 or 2.5. you can also update your phone Through OTA
To unleash the unlimited possibility of jio phone follow these instruction carefully
NOTE : follow instruction at your risk, this tutorial comes with no guarantee and i am not responsible is anything goes wrong with your device.
FOR ALL MODELS :
Step 1. Identify your Phones model e.g. F81E, F30C etc. you can find this information in settings => device => system information.
Step 2. Download firmware for your respective model. in general you can find firmware for your model from repairmymobile.in or you can google “[Model no] firmware”.
FOR SPREADTRUM MODELS :
FOR SPREADTRUM MODELS :
Step 3. download this package DOWNLOAD FILE and extract to your computer
Step 5. run upgradeDownload.exe from bin directory.
Step 6. load Firmware file ( .pac ) of you particular model by clicking TOP-LEFT icon of download tool.
Step 7. Go to \ImageFiles\_DownloadXXXXXX\ directory inside bin directory and delete userdata.img file
Step 8. Download and paste modified userdata.img from package downloaded in step 3.
Step 9. Start Flashing by click following icon in Firmware tool
FOR QUALCOMM MODELS :
Step 3. download this package DOWNLOAD HERE_ and extract to your computer
Step 4. Download Qfil downloader from DOWNLOAD TOOL and extract
Step 5. Open directory where you had extracted modified package in Step 3.
Step 6. Make sure java is installed on your PC and click on runme.bat and enter start_sector value corresponding to your model. you can find it in rawprogram_unsparse.xml. of official firmware files that you had downloaded
Step 7. flash stock firmware to your phone by loading stock xml file
Step 8. Now open out folder generated in runme.bat directory to flash modified.
Step 9. load modified xml and flash modified userdata.
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Step 8. start your phone. first boot might take a while don’t be afraid
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