Yes, you need to flash your lite on (74850C?) to LT+ 2.0 to play a backup. Also, Forza is one of the games that people are reporting errors when burned without Burner Max firmware.
iXtreme LTPlus v2.0 - v2.01 and Stock Firmware Pack
Here is another update: iXtreme LTPlus v2.0 - v2.01 and Stock Firmware Pack which includes a Samsung drive bug fix for XGD3 8.7GB game backups.
Below is the changelog:
What's new:
Bugfix for 8.7GB backups
Support for XGD3 ixtreme backups using LT-MAX for maximum capacity on standard DVD+R DL discs. Passes all security checks for XGD3 including correct capacity.
Support for large capacity DVD+R DL media (no errors when burning)
Below are some more iXtreme and JungleFlasher updates for those interested.
Official release of the iXtreme LT+ v2.0 for Hitachi drives
Support for XGD3 ixtreme backups using LT-MAX for maximum capacity on standard DVD+R DL discs.
Support for large capacity DVD+R DL media (no errors when burning)
About upcoming iXtreme LT+ 3.0 - released after December 6th
Originals will need to be analysed by XBC to gain disc topology data.
This data replaces the need for ap25/dae.bin data and enables any ap25 challenge to be answered correctly.
The topology data method is very efficient using only 24k and is very accurate.
Each title will need its own topology data as there are differences between titles, even xgd3 titles and backups can be detected if the same topology data is used between titles.
Backups will remain the same layout but will need the new topology data inserted by the new abgx or re-dumped with the new XBC for xgd2/ap25 or xgd3 titles.
Non ap25 titles will remain unchanged
JungleFlasher v0.1.90 Beta 292
Support for LT Plus 2.0 --> Hitachi 32,36,40,46,47,58,59,78,79
Xecuter CK3i support
Extra button group with easy access and visibility for CK3i additional functions
Official release of the iXtreme LT+ v2.0b for Hitachi v79 drives (iXtreme LT Plus v2.01)
Support for XGD3 ixtreme backups using LT-MAX for maximum capacity on standard DVD+R DL discs.
Support for large capacity DVD+R DL media (no errors when burning)
Fixes issues that were in 2.0 release
iXtreme LT+ v2.0b for fat Hitachi drives included.
Please note that all the Hitachi LT2.0 CFW’s do not support Truncated XGD3 backups and do not support Xbox 1 backups. Xbox 1 originals are fine.