The Board is not authorized The screen will flash after 5 minutes and restart after 15 minutes Please use USB disk or APK for authonrizationFlash Programming / By 汤小贤 / April 7, 2021 November 8, 2021 This Content Is Only Visible For Logged-in Users ! You can access the hidden content after logging in. Username or E-mail Password Only fill in if you are not human Connect Your Favorite Social×Scan to Login in WeChat Keep me signed in Forgot your password?