For MTK devices with PMT partition only.
Changing your PMT is not recommended because it does not have an effect when you try to increase the userdata partition. If you don’t want to change PMT on your device click here
- Prepare the following tools.
- Load the original scatter files and Bootrecords.
- If you changed the PMT earlier. You need to use the previous scatter file or PMT that was used. If you don’t have the previous PMT or scatter file, you need to dump the whole firmware and look for PMT using a MTK Partition Editor > Split Readback Image or a hex editor.
- Use the MTK Partition Editor to resize any partition after PMT. As shown in the image below, you can only resize any partitions after PMT as long as it does not affect the position (address) of PMT. If you plan on changing the position of PMT, you must format the whole device except off course for the booloaders. But our topic will be focused more on SP Flash Tool Download Only mode.
- Take for example the image below. As you can see, the space allotted for USRDATA is 500MB and FAT is 2.2GB. I want to increase the size of userdata to 2GB.
- Right Click on the partition and change the size.
- Press ok and you should see something like this.
- Scatter tab
- MBR tab
- EBR1 tab
- ‘Save As’ your file and don’t forget to check files you want to save.
- Go back to Files tab’. Under Other Tools and beside Scatter to PMT click ‘Create’. Look for the folder where you save the new files and click save.
- Close the application and open the folder where you save those files.
- You should see this files.
- Open SP Flash tool version v5.1352.01, load the stock Scatter File, select Download Only mode and browse the new PMT file.
- Click download
- Connect the device.
- Device PMT should be changed.
- All you have to do is to load the new Scatter File, MBR, EBR1 and load any partitions that were affected. You can load your backup userdata.img without losing your apps if you have it.
- Don’t forget to check ‘DA DL All with Checksum’ under ‘Options’ Menu > ‘Download’ tree
- Click Download Button and until it’s done.
- PMT Changed you must upgrade. > If you happen to encounter this issue, You have a wrong scatter file. DO NOT UPGRADE. You will lose your NVRAM unless you made a backup. Look for the right stock scatter file or the last scatter file you used to change PMT. If you don’t have the previous scatter file or PMT. You need to dump the whole device firmware and look for the PMT file using MTK Partition Editor > Split Readback Image or a Hex Editor.