I'm at my wits end and the XDA forum is keeping it's collective wisdom to itself (well it hasn't replied to any of my questions in the last 3 -4 days so I thought I'd try here. I was the happy owner of an X10 Mini Pro, now I'm less happy and getting unhappier by the day. SE has said to me " be patient, when your carrier/network has approved the upgrade it will be made available to you" I think that since my carrier is Australia's largest mobile phone network and every other man (and his dog) has upgraded to Android 2.1 I'm going to have to take steps of my own. And perhaps I have shot myself in the foot by being impatient, but hells bells this roll-out has proceeded at snails pace and being December I shouldn't be waiting for an OS that was being delivered at the end of October. Anyway I have root privileges and have de-branded the phone, there isn't a carrier's splash screen, it's Vanilla Sony, I've dumped Facebook and some other useless apps. Following the instructions from the XDA forums GUIDE: Mini Pro (U20) change to any firmware (generic\debrand) - xda-developers I downloaded a copy of the generic UK U20i build.prop file and edited it - I'm hoping to have my edit corrected here, because as far as that discussion thread goes once this file is copied over to /system/ the SEUS will do all the hard yards so the edit was to change line #3 from ... ro.product.name=U20i_1238-0199 to .... ro.product.name=U20a_1238-9150 NEXT I changed line #13 from .... ro.semc.version.cust=1238-0199 to ... ro.semc.version.cust=1238-9150 finally line #8 from .... ro.build.fingerprint=SEMC/U20i_1238-0199/SonyEricssonU20i/delta:1.6/1.1.A.0.8/1:user/release-keys to ro.build.fingerprint=SEMC/U20a_1238-9150/SonyEricssonU20i/delta:1.6/1.1.A.0.8/1:user/release-keys (you can see what I've done, wherever U20i_1238-0199 appears in the build.prop file I replaced with U20a_1238-9150) I sourced the info for the file edit from here The U20a info thread. - xda-developers I used the numbers from the Telstra AU/Black I first had a go using the string of numbers following the letters CDF - that is "1239-5023" It didn't work, I did the edit of the file on a PC copied it to the SD card then used Root Explorer to overwrite the existing file., shut down, re-started and installed the latest version of SEUS onto the PC I followed the instructions from Sony Ericsson to update (you know turn the phone off, wait 30 seconds and connect to the PC while holdong down the 'back' button) and SEUS says I have the latest software. - I swear I don't, I'm running 1.6 Tried a repair with PCC - same answer so I re-edited and used the numbers AFTER the CDF string same response So now that I'm at my wits end and getting desperate for 2.1 before everyone else in the world is running 2.3 What else do I have to edit in order for either SEUS or PCC to update me to Eclair The software info screen has some interesting inconsistencies Um, it reports phone software version xxxx-xxxx_1.2.A.0.8 File System Version VFE-1-8_1.1A.0.8 Boot Version xxxx-xxxx R8A029 Customisation Version 1238-9150_R1A all the xxxx-xxxx are different numbers and the only thing I can see here that I have done is the '1238-9150_R1A' anyway if anyone needs any further info that might help me get the upgrade don't be shy.