noun, noun or participle which takes 'suru', intransitive verb
phone model upgrade; changing your phone (same carrier/number)
Colloquial abbreviation of 機種変更. Refers specifically to upgrading or changing your mobile phone handset while keeping the same carrier and phone number. Common in everyday conversation and online.
See also: 機種変更
来月、機種変しようと思ってるんだ。
I'm thinking of upgrading my phone next month.
機種変の手続きは簡単だった。
The procedure for changing my phone model was easy.