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Update contacts's number & Make callの旧いバージョンをダウンロードすることが可能
Update contacts, change phone number from 11 to 10 numbers.
Accordingly, 21 11-digit subscription codes of the five current mobile service providers in Vietnam will be affected by this campaign.
The following prefixes of Viettel, including 0162, 0163, 0164, 0165, 0166, 0167, 0168, and 0169, will be changed to 032, 033, 034, 035, 036, 037, 038, and 039.
The following prefixes of MobiFone, including 0120, 0121, 0122, 0123, 0126, and 0128, will be changed to 070, 079, 077, 076, and 078.
The following prefixes of VinaPhone, including 0123, 0124, 0125, 0127, and 0129, will be change to 083, 084, 085, 081, and 082.
The following prefixes of Vietnamobile, including 0188 and 1086 will be changed to 058 and 056.
The prefix 0199 of Gtel will be changed to 059.
Basically, after this change, 11-digit mobile phone subscribers still keep their last 7 digits.
The change will be applied from September 15, 2018 to June 30, 2019.