Go to xda developer and root this phone with CarbonROM Android Kitkat 4.4.4. Works like a charm after that with about 100MB RAM free most of the time. Only downside is WiFi Direct won't work and music over A2DP. Calls will work with A2DP. BE CAREFUL THOUGH AS IT WILL VOID WARRANTY AND IF NOT DONE PROPERLY CAN BRICK YOUR PHONE.
very slow mobile. i hate this phne. cam is suberb qulity. betry life is so bad...
The very worst phone I have ever used. I owe not to buy any Sony mobile in future . It is a bullshit phone . Please don't purchase this for god sake .
For me, not one of the best phones Sony made. Due to it's very low specs, for the time it came out it was already obsolete. Battery life is a joke, very very limited, no more than 5 hours.
The good things: the screen is awesome. Definition, colors, etc. Sound... well, through the external speaker don't expect HQ audio, but with powerful headphones, you'll notice good sound quality. One thing I must say, the screen is extremely strong and scratch resistant. I'm absolutely amazed with it.
nil, 07 Aug 2014this is a very bad phone ever i have seen.why this phone is bad???
Xperia U is best for those who stay in a/c offices, homes and in cool places. It hangs in heat means when u stay outside for several hours. Hang during calls, msgs, playing games and run any application. after updating of facebook it hang.
FARIG HAI XPERIA U
Leo, 07 Jun 2014hello guys.... i need to buy this kind of phone... may u all give me a suggestion please..? my... moreMr Leo .. Please don't believe all what you read. Both black and white come with same specifications and same system. Because, I bought a black phone whereas I found an extra bottom cap in white colour. . Then how do I take this ? Should I take that I bought a black phone or white phone? So the conclusion is that colours don't make any difference in Sony xperia u unless the manufacturers has some special mention about the colours. . All the best. . Go for any colours you prefer.
siirosky, 14 Aug 2014how can i upgrade it to 4.0 adroid versionconnect it to your pc with an usb cable, but ics will drastically slow it down.
but if you can still use it though.
Shapik the don, 30 Jul 2014Ics is very slow should I install some accelerating apps if so which app!It is not made for a heavy duty it's simple smartphones
Caehiroshira, 07 Aug 2014The Xperia U came out some time ago,cause I got mine last year June. Unless its a newer U rang... moreNo, there's only one "U". The most logical successor to it is the Xperia M, though that gains on some fronts but loses on others.
The Xperia U came out some time ago,cause I got mine last year June. Unless its a newer U range, but I'm pretty sure there is only this one U by ST25i.
Very bad phone. Constantly cutting off calls due to face touching screen whilst talking or touching one of the many buttons which surround the phone. Also, and this is a major problem, my screen will either work with the lightest of touches, requires a major push or just refuses to react at all. It will do this randomly and often all three within the same operating process. Many times I have received a call and the phone will not let me answer it. With the alarm, if I touch anything other than the screen slide to switch it off I cannot access the alarm, which continues to ring, and the only solution is to remove the battery.
Thank goodness I am now out of contract and can dump the thing. And yes is has been back for repair.
devdev3230, 19 Jul 2014I am using this phone since 1 and half year....with gb.
yesterday i updated it to ics.. (even... morehi how did you upgrade your OS?
could you tell me the step by step procedure thanks!
Shapik the don, 30 Jul 2014Ics is very slow should I install some accelerating apps if so which app!Adding memory management apps wont help. It is actually reverse of what ur thinking. Uninstall fb (use your browser) it eats about 45mb of your ram. And uninstall fb app updates and disable it. (all fb components). Disable all buildin apps your not using. In developer options limits running apps into 2 or less. If your not using google services like youtube you can uninstall google play services. (this is only optional) goodluck.
arun, 28 Jul 2014Touch always complaintWhy? Touch OK va ? Handling OK va ? Apps installed OK va ? Tell me ..
My phone has just recently blocked out going calls by saying my contacts have stopped. I cant bring up any phone numbers to call anyone! I reg update everything as they come thru - i have read others have had this prob with rediculous hassles correcting it. My question- is there and easy way to correct this??