free airtime T̶̲̥̅̊ợ̣̣̝̇̇̇ call all network is total free no condition attached.

You can earn free airtime by taking surveys on mCent. I've tested it and it works. Go to https://fb.mcent.com/ref/J894HJ/?mref=rfem to sign up.

Its not real,I have tested such link before and it doesnt work.