Download link: CWM RECOVERY of JIAKE V8
1. First you need to root you JIAKE V8, below FYI
2. you should install MOBILEUNCLE MTK TOOL on your phone (from google play store)
3. place recovery which you download here in the root of your phone’s SD card (not in any folder).
3. open the MOBILEUNCLE MTK TOOL and allow it use superuser right, go to the Recovery Update. You should see the recovery you placed in your SD card. Select it and click on OK. Finally, choose reboot to Recovery. a yellow exclamation mark would appear, then press power again, your phone should boot into your new cwm recovery now.
More MTK 6592 smart phone pls click here