Since k.102 fw3, EZ-FLASH OMEGA Definitive Edition has completely fixed the problem of random freeze.
If a random freeze occurs even though the latest firmware and kernel are confirmed to be in use.
According to the known cases we have received in China, there are probably the following cases.
1. The rom has incorrect hash values, not a clean rom.
2. The console modded, the assembly craft leads to contact problems with the consoles when playing the game(Hands with pressure).
3. The console modded backlit screen which cause insufficient power supply.
4. Uses addon function like cheat enabled too many values or uses savestate too frequently.
A method of test the card random freeze or not can be given here by downloading Nintendo's aging rom at the following address
https://tcrf.net/AGS_Aging_Cartridge
If your console have a power plug, please plug it. otherwise uses a pair of full batteries.
Run the aging rom directly, without addon.
Just let the console stay there and run the aging rom
There is the timer on the lower right of screen
If the card and console not freeze more than 1-2 hours.
It means the card has not random freeze issue.
Please follow the four clues above to troubleshoot.