How could I unlocked the lessons?

Question

I can not unlocked the lessons for free!

Answer 1

Write to sololearn ([e-mail]) if it doesn't work

Answer 2

If you want to unlock pro section
Then first you must pay the money then only you can unlock the lesson.

Answer 3

The subsequent lesson unlocks after you have completed all previous ones.

Answer 4

Add a credit or debit card, the lessons will be unlocked

Answer 5

You need to wait a few hours until your "hearts"/"lives" re-fill.

if it doesn't work, write to sololearn about it

Answer 6

How could I add credit?

Answer 7

I reinstalled sololearn, it's still unlocking

Answer 8

I passed all lessons but ...

Answer 9

I am waiting for four days