can't access recovery mode

[Android Central Question]

Some day's ago I rooted my huawei gr5 mini...In the same time I uanted to update my andriod 6.0 to 7.0 . then i flash andriod 7.0 ota update with flash fire....but after the update I lost some apps ...and my recovery and download mode and root access..If I switch off or restart my phone then it stuck in a page...Now i can't flash official firmware...without recovery mode,,,HELP ME .