No reward, no sync, lost march rewards

Hello, 4 issues:

1/ brave mobil Android & brave browser (Chromebook so linux) don’t sync. The 2 of them appear in sync option

2/ I lost my march rewards. It doesn’t appear anywhere (mobil or chromebook)

3/ Since 2 days, I saw ads but get no bat rewards for that ( mobil)

4/ I get no ads on brave browser (chromebook)

help would be appreciated :smiley:

PS: I am french, so excuse my bad english 🤷