스타이라이프 [Foreigner] How do I check my mobile data usage?
Launch skylife app or visit skylife.co.kr and select MY SKY > Mobile > Mobile usage check, after logging in.
You can also check it through our customer center.
스타이라이프 [Foreigner] After SkyLife Mobile activated and USIM inserted, Talk and Text(incoming & outgoing) are possible, but data cannot be used.
A You need to check whether phone call or data has been blocked on your device first. If both aren't blocked, the USIM may not be detected, so your device registration is required. Please contact the customer center for the registration after checking your IMEI. Nevertheless the data cannot be used, it may be a USIM defect. Please try checking on another device, and if the USIM is still undetected, we will resend a new USIM.
스타이라이프 [Foreigner] After changing number to SkyLife, the bill is too high.
Your previous bills unpaid in other telecommunication service will be charged in Skylife after number transfer.
스타이라이프 [Foreigner] How do I send texts abroad?
Enter <country code + mobile number> to receive or send texts abroad. Please note that extra text fees will be charged, even if you are subscribing unlimited text plan.
스타이라이프 [Foreigner] How can I cancel the mobile plan?
Skylife Mobile's USIM plan does not have a mandatory period of use or mandatory commitment period, so you are free to cancel your subscription any time.
Please contact the Customer Center (1588-3002 (paid) or 114 (free) for the cancellation.
스타이라이프 [Foreigner] How can I change my number?
Please send a copy of "service change application" and ID card to the customer center, then ask for number change. ※ No ID required for credit card authentication
스타이라이프 [Foreigner] How long can I deactivate my phone?
You can suspend your phone twice a year, and each suspension can last up to 90 days (max. 180 days).
There is no limit on the number of times for the suspension due to lost.
A basic fee of KRW 3,850 (including VAT) will be charged for the suspension period.
스타이라이프 [Foreigner] Is data exhaustion notifed by text? How much will be charged for the excess data use?
Basically when 50%, 80% and 100% of text/call/data are exhausted, KT will send text notifications.
*Excess Rate Table for Skylife Mobile (including VAT)
Talk KRW 1.98/sec.
Video call KRW 3.3/sec.
Data KRW 22.55/MB
Text KRW 22/SMS
Text KRW 33/LMS
Text KRW 220/MMS
출처: 스카이라이프 자주찾는 질문 : https://www.skylife.co.kr/center/consult/FAQ