No luck on C7 Astound running Symbian Belle
I modified RM-675_111.030.0609_03.01_Euro3_79u_prd.rofs2.fpsx with Cooker
before size 50,663 KB
after size 50,726 KB
flashed in dead USB mode. Logo shows up for couple seconds and then phone turns itself off.
Flashed again with original file. All fine.