[HOWTO] Moto: replace the startup screen warning

/e/OS Devices Motorola
7

01/2022 update: I had a look at the same procedure with a Moto G5 and G5s:

  • use blockdev --getsize64 /dev/block/platform/soc/7824900.sdhci/by-name/logo (path depends on device… look for by-name) for the bs (bytesize) value of dd to get the full partition. The value (“634418”) used prior was just taken blindly from the moto-bootlogo readme. The partition is actually 4 mbytes in ~2016 Motos, 16 mbytes later
  • also merge the PR upstream that parses the header size as 16bit value. This will make header readouts successful when there are more elements
  • running moto-bootlogo will extract all existing images, take those a basis for modification as the pixel size needs to be according to your device
  • here is a svg to determine pixel resolution freely - logo_boot.svg.gz | by tcecyk for Motorola Moto G4 Play
  • Moto G5 devices want the orange.png file replaced, create a second copy_image_header call within main.cpp to copy ‘logo_boot’ to ‘orange’
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