Brave Rewards is not adding In mobile

Dear Sir/Madam
Please solve my problems :pray::pray::pray:

  1. In my mobiles the brave rewards are not added since 2 months back onwards. The mobile brand is OnePluse
  2. I am unable to link my uphold account to brave. I am linked the uphold account to 2nd devices but 3rd devices I am unable to link
    I hope You will solve my problems as soon as possible and Please solve my problems.
    Please reply to me
    Thank you very much