When someone shares or backs up an MMC image, they often compress it using (hence .rar ) to reduce the size from 64MB, 128MB, or 512MB down to a few megabytes.
Open the unlocked image in a hex editor (e.g., HxD). Search for "Siemens" – you should no longer see encrypted bytes in the user memory header. unlock and converter mmc image s7 61 rar new
If you have searched for , you are likely dealing with one of three problems: When someone shares or backs up an MMC