Flashtool can't detect device model anymore due to change in build.prop

Fowarf

New member
Apr 30, 2020
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My phone can't run any app due to changes I made in the build.prop file, and the only way to get it running again is by flashing its stock rom, But as I changed the model device, flashtool can't recognize it as a sony device anymore and can't proceed. And It has no recovery mode and is unable to get a custom one.

Is there any way to sort this problem out ?