Look here: PCB from vcm2 sp177-c1, vcm2 sp177-c, vcm2 sp177, vcm2 sp177-2, vcm2 sp177-g
Vcm 2 sp177-c1 pcb (the best quality with USB sticker for WiFi)
http://blog.obdexpress.co.uk/2018/01/21/vcm-2-best-quality-sp177-c1/
Vcm 2 sp177-c pcb (the best quality)
http://blog.obdexpress.co.uk/2018/04/14/vcm-ii-sp177-c-pcb/
vcm2 sp177 pcb (high quality)
http://blog.obdexpress.co.uk/2018/01/24/vcm-ii-sp177-pcb/
vcm2 sp177-2 pcb (2018 version)
http://blog.obdexpress.co.uk/2018/06/16/vcm2-sp177-2-good-or-not/
vcm2 sp177-g pcb (for Land Rover)
http://blog.obdexpress.co.uk/2016/04/19/ford-land-rover-vcm-ii-clone-pcb-review/
vcm2 pcb color, which best
http://blog.obdexpress.co.uk/2018/05/01/which-pcb-colour-is-best-for-vcm-ii-clone/
Both vcm2 sp177-c1 and sp177-c are the best quality!!
vcm2 sp177-c1 vs vcm2 sp177-c
http://blog.obdexpress.co.uk/2018/04/14/vcm-2-clone-sp177-c1-vs-sp177-c/
How to confirm vcm2 sp177-c is the best
http://blog.obdexpress.co.uk/2018/07/25/how-do-you-confirm-vcm2-sp177-c-best-quality/
