Huawei Y7 (Nova Lite+). Contacts list doesn't sync on Google after firmware update.

Hi all.
Yet another help request from the same user.
I need help with a new Huawei Y7.
Contacts list, calendar etc. don't sync on Google after firmware update.
Moreover, just after firmware updating I tried to subscribe Huawei Cloud,
and I had lost contacts list, calendar, notes. Everything.
Thank you God for a manual contacts list backup I had, including all my work and private numbers.

Phone info:
Android 7.0
Security patch Jan. 1st, 2018
Kernel 3.18.31-gf5af081 updated Jan. 9th

Do someone will help me, please?
Sorry for not so good English.

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