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Don't remove this question please, it was previously removed from a programming board and I don't know where else to ask.
What is a logo partition and what is the format of it?
The header of the 8Mb partition:
00000000 88 16 88 58 C2 8A 0A 00 ...X....
00000008 4C 4F 47 4F 00 00 00 00 LOGO....
I guess it is a bootscreen picture, right ? What is the format of this image ?
1. What is “logo” partition on a lenovo phone?
The logo partition (based on my experience with Mediatek devices) contains :
2. I guess it is a bootscreen picture, right ?
Not the boot logo only, It contains many images.
3. What is the format of this image ?
Not one image only, all of them are PNG files.
4. Additional details
88 16 88 58 is the partition offset.
C2 8A 0A 00 is the partition size, this is little endian byte order.
4C 4F 47 4F is the partition name.
I can't confirm if this is Mediatek specific or not.
If you wish to change the very first boot logo (not the boot animation) of your device based on MT65xx/MT67xx platforms. Try LogoBuilder.
LogoBuilder can unpack and repack your logo.bin file which contains :
LogoBuilder is simple to use:
The LogoBuilder can make an update.zip to flash your new logo.bin file with a custom recovery.
While you're not satisfied with the answer, read about deflate compression before spamming the forum with comments/questions.
For further reading, I suggest: The help vampire problem
