Unhappy [Q] [HELP] After flash, phone displays nothing !

Hi, i'm using "Huawei Ascend Y210-0100", i had a problem with the dialer app so i flashed the official firmware (consumer.huawei.com/en/support/downloads/detail/index.htm?id=14221) using the sdcard, the upgrade finished succesfuly but after reboot my phone displays NOTHING but still work (sound, vibration,touch screen) ... i tried to flash again but nothing helped.
Thank you in advance for your suggestions