Always remeber while flashing with SP tool just remove your sim card, if sim card is with in the mobile you might loose your IMEI no.
Praful, you tried uploading a screenshot?
Can you pls confirm the version number shown on the 'About Phone' screen?
Mine shows -
Custom build version: Wiko Highway Version 8
WIKO Highway New Update V19 -16 Jun 15
New Updare arrived for WIKO Highway New Update V19 -16 Jun 15
Monster UI 4.6.1 works for my WIKO HIGHWAY 4.4.2 !!!
All Lollipop features !
Try & provide feedback
Better than any other Customized ROM till now!!