还是更便宜的路子吗。
官网看到的 但是没看懂“
Handy numbers
Here are some useful numbers you might want to save in your contacts:
Remaining credit *100#
Voicemail 443 (included in the plan or 8p per call)
Top up by a voucher 43430
Display IMEI *#06#
Text delivery receipt prefix the text message with*0#
Hide calling number #31# (then number you are calling)