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"Tuner not recognized" this come if you use image have drivers not compatible with box...so you need to flash right image with right drivers, if your box booting as i mentioned sim is ok, There is no relationship between tuner and sim, sim is just for security to box ...
so do this:
1-Try to flash image with old bootloader ssl76 and use "Fix Bad Sector "Sectors Recovery" method see here how to..
2-if box booting fine and tuner work ok then flash last bootlader ssl84b by "Flashing by Network lan only" method..
3-then flash any new image with bootloader SSl84b by "Flashing by Network lan only" method..
About sim card reader as im mentioned must be use that cardreader or smellier
so do this:
1-Try to flash image with old bootloader ssl76 and use "Fix Bad Sector "Sectors Recovery" method see here how to..
2-if box booting fine and tuner work ok then flash last bootlader ssl84b by "Flashing by Network lan only" method..
3-then flash any new image with bootloader SSl84b by "Flashing by Network lan only" method..
About sim card reader as im mentioned must be use that cardreader or smellier