🔹To Recharge or top up your phone/internet credit شارژ كردن
🔹Your phone/ internet credit is finished. تمام شدن اعتبار
You might say:
🔸My phone/ internet credit is finished;I should top it up/ I should recharge it.
🔸My phone credit is finishing/ running out. اعتبارم داره تموم ميشه
🔸My phone credit is very low.اعتبارم خيلي كمه
Top up: ( British) to add money to (a loan, bank account,etc) in order to keep it at a constant oracceptable level
http://www.thefreedictionary.com/top+up
http://www.collinsdictionary.com/dictionary/english/top-up-card
Top up vs recharge:
Recharge is when you extend the validity on the card depending on the validity coupon and, it also gives you additional talk time. Whereas, Top up is when u still have validity but no money to use. The top up recharge has no validity and the original validity remains.
https://www.gorecharge.com/content/faqs.aspx
Top up: شارژ مستقيم به مبلغ دلخواه
Recharge: خريد كارت شارژ به مبلغ معين
http://www.topup.ir/charge-cards