Check if the firmware you want to use is the right one for your SAMSUNG I9200 Galaxy Mega 6.3. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY MEGA for I9200XXSDQA2 PDA version and I9200OLBDNF2 CSC code. This is a dedicated I9200XXSDQA2 bootloader type and 2507404663 CRC software. Android KitKat 4.4.2 comes with N/A Android Security Patch Level. Please also make sure if the changelist and 06/01/2017 build date are correct for SAMSUNG I9200 Galaxy Mega 6.3.
If the specification posted for the software is correct and you want to use the THL OPEN software from Thailand, simply tap on the download button. Size of all flash files posted is 1.17 GB.