So far, my “not so good” experiences were solved:
Sofirn SP10 (bought at Sofirn store in AliExpress, solved by Sofirn store there and with the attention of Tracy (Sofirn) here )
Problem: Sofirn SF10 and SF12 review - #18 by khas
Solution: Sofirn SF10 and SF12 review - #29 by MascaratumB
Zanflare F1 (bought at Gearbest, solved by Gearbest member here at the forum)
Problem: Has anyone opened a Zanflare F1? [OPENED - Pictures]
Solution: Has anyone opened a Zanflare F1? [OPENED - Pictures] - #23 by MascaratumB (end of the post)
Faulty Biscotti driver from Convoy store at AliExpress (Bought in Convoy store, solved by Convoy store - Simon)
Problem: S2+ - #10 by MascaratumB
Solution: a new driver was sent to me in perfect conditions!!