new Pinebook Pro, complete confusion

[wdt]

Probably your mirrors are wrong,, /etc/pacman.d/mirrorlist
a clip (partial) from my mirrors
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## Country : United_Kingdom
Server = https://mirrors.gethosted.online/manjaro...rm-stable/$repo/$arch

## Country : Georgia
Server = https://repos.silknet.com/manjaro/arm-stable/$repo/$arch

## Country : Taiwan
Server = http://free.nchc.org.tw/manjaro/arm-stable/$repo/$arch

## Country : Bulgaria
Server = https://manjaro.ipacct.com/manjaro/arm-stable/$repo/$arch

## Country : Sweden
Server = https://ftp.lysator.liu.se/pub/manjaro/arm-stable/$repo/$arch

## Country : Austria
Server = http://mirror.easyname.at/manjaro/arm-stable/$repo/$arch

## Country : Italy
Server = https://ct.mirror.garr.it/mirrors/manjaro/arm-stable/$repo/$arch

## Country : China
Server = https://mirrors.tuna.tsinghua.edu.cn/man...rm-stable/$repo/$arch
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This list dated May 30