I read an article on how to reset the Vtouch V705 and although I have not performed this operation my self, you may want to investigate the following and see if it something you can work with that may help solve your issue. If this does not work or apply please reply and I will continue to look for possible solutions to solve your problem. Here is the quote on what you might try (if this applies) to possibly solve your issue.
"works well on chines android tablets! 1.Download the android tool. https://www.mediafire.com/?7se8s62sj1y5fpo2.extract
and save to any location on computer2.open extracted folder and open software use the appropriate number for whatever job you would like to do.number 4 to reset Gmail lock, pattern lock, or password.when device reboots you may need to restart it a second time that's it all done. subscribe, like, share, comment.User Manual for Android Multi Tools v1.02bfirst device must install correct driver This program works with any Android device .Requires root and enable Debug mode or fast boot mode.choice 1-6,S,H can work with Debug Mode only.choice 7-9 can work with Fastboot Mode only.choice detail1.Check Device for check connection of device to PC.2.Reset Face/PIN Lock for reset face lock on android 4.1.x and PIN lock without lost data.3.Reset Face/Gesture Lock for reset face lock on android 4.1.x and Gesture lock without lost data. After device reboot Then you can draw anything for unlock.don't forget close lock in security menu4.Reset GMail for reset gmail login after try many time wrong unlock 5.Wipe Data for reset all data to factory setting.6.Reboot for reboot device to normal mode or exit from adb shell.7.Check Device On Fastboot Mode for check connection of device to on FastBoot mode.8.Wipe Data / Cache On Fastboot Mode for erase user datat and cache on Fastboot Mode to resolve freeze,stuk on boot logo or slow down device. That is often found in the CPU Spreadtrum SC6280/SC8810.9.Exit Fastboot Mode for reboot your PC or exit FastBoot.0.Go To Command Promt for entering DOS promt.you can use command in this soft folder And can return to the main program by type exitS.Software Info for info CPU inside,firmware version and etc.H.Hardware Info for determine the IC number of Gsensor,touch screen,Camera,WIFI and moreR.Report / Contact Me links to the specific problems of the Phase I program and a bookmark.D.Driver Download for loading the drivers in case you do not have the driver installed in your PC - See more at: http://celularmovil.info/video/view?videocode=okEyk5LrNDc&startpage=6#sthash.j9wiRuoL.dpuf
Please let me know if this works out or if you have any additional comments or questions. Like I said before I have not actually used this method myself so PLEASE be cautious when downloading and installing any type of software. Thank You!!