[sidebone]

My itel P31 build number is v026 which is different from the one posted for root, can I still use the posted one which has v033 build number to root my phone?

[X3non]

My itel P31 build number is v026 which is different from the one posted for root, can I still use the posted one which has v033 build number to root my phone?

No, instead backup firmware from your device then copy boot from your backup to root
you can try miracle box method @ https://www.hovatek.com/forum/thread-13347.html or wwr_mtk method @ https://www.hovatek.com/forum/thread-21970.html