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LG(xmc)_QS03F05_CM70033_L115 ACU7503 MP4/MP5 Firmware
main board serial:LG(xmc)_QS03F05
main control:ATJ7503
screen serial:CM70033
Version:9.1.51_070719
Disclaimer/Agreement: Always backup your existing mp4/mp5 firmware before attempting to do any upgrades. We are not responsible for any damage, malfunction or players made unusable as a result of you upgrading or altering the mp4/mp5 firmware yourself from the mp5/mp4 firmware files and tools downloaded on this site. Most mp4/mp5 firmware upgrades do not add any functionality or features to your pmp player, but rather, serve as a "backup" in case your mp4/mp5 player goes dead or experiences any corruption with it's existing mp4/mp5 firmware.
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