Download Android Jelly Bean 4.2.1 stock firmware for THL W11 smartphone from here or here. Download previous firmware from here. Download another THL firmware from here.
Firmware details
Archive name: ThL_W11.130917.JB42.V12.FHD.EN.COM.16P256_SEPARATION_
6589T.OV12830
Archive size: 289 MB
Model: THL W11 smartphone
Support: Mediatek MT6589
Project: bird89_wet_a_jb2
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
Don’t miss any of our future video tutorials, follow us on Youtube. Like us on Facebook. Add us in your circles on Google+. Watch our photo albums on Flickr. Subscribe now to our newsletter.