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Help Which carrier provides my update

rsfour

Member
Nov 30, 2012
73
7
Glasgow
Sorry for the rotten title but I'm struggling to describe my question. I swapped my iphone for this s3. The person I got it from was using the phone on t-mobile (uk) and unlocked the handset. I'm not sure if the handset was provided by tmobile unlocked or she asked them too. My carrier is Vodafone (uk) and all works fine.

Anyway the question is who provides the Android updates. Tmobile because the phone was with them originally or Vodafone because thays the carrier I'm current using?

Hope that makes sense to someone
 

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