https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233921#M385215 <P>You must ask this from your network carrier</P> Sat, 05 Apr 2014 19:18:52 GMT Danial-mach1 2014-04-05T19:18:52Z https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233919#M385213 I am using a secondary SIM from my network (tmobile UK) and I have my main SIM with unlimited data. I used my seonday one to set up phone l. Will switching Sims work as this phone is an upgrade, will my plan change to my main plan and will I have the same number . Thanks Sat, 05 Apr 2014 19:01:46 GMT https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233919#M385213 XPERIAUK99 2014-04-05T19:01:46Z https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233920#M385214 It's cos my SIM acting weird Sat, 05 Apr 2014 19:10:59 GMT https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233920#M385214 XPERIAUK99 2014-04-05T19:10:59Z https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233921#M385215 <P>You must ask this from your network carrier</P> Sat, 05 Apr 2014 19:18:52 GMT https://community.sony.com.mk/t5/xperia-archive/switching-sims-from-same-network-s/m-p/3233921#M385215 Danial-mach1 2014-04-05T19:18:52Z