Ok, I have the same device let me Install it and I will update you asap. unless someone else can also advice you. one more question which Gapps did you install ? because this error is most likely from Google.Thank you for your information. I did a clean flash and the device is greatlte. Twrp is also updated to the latest version "https://eu.dl.twrp.me/greatlte/twrp-3.6.0_9-0-greatlte.img.html"