Here is the firmware for Landvo L800:
http://www.mediafire.com/download/972d21bhwfsekpg/111w_v82_ht_fwvga_20140304.zip
Here is the download address for the flash tool:
Pls note, before you flash the phone you need to install the drivers on your pc.(The driver will be installed aotomaticly when connected with PC)
Flash method:
1:Open flash tool
2: Choose the right file
4: Power off your phone and Connect your phone with your pc using the cable
5:The only thing you can do is waiting now. It should take 3-5mins. It will show 100% at last. then you can turn on your phone directly
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please can you make a backup with droid tools and upload it my phone is bricked is the only way i can fix it