Develop Bugs

Unlocking SonyEricsson SO903i

My girlfriend came back from Japan a few months ago and while she was there she bought a cell phone. This is partially my fault since I told her that if it had a SIM it could be unlocked and used in the US. Mostly true, right?
The problem is she went and bought a brand new phone that was recently released in Japan and I cant find a way to unlock it.
Does anyone know how to unlock this phone? Is there something specific I could use for SonyEricsson or is there a general unlock?
Its branded NTTDoCoMo FOMA. Its a sick phone, I just wish she could use it here.
Any help would be great.
Thanks in advance

Is Sony using WM?
OK when she got the phone did she ask for it to be enabled for roaming?
Have you asked the provider to unlock the phone for you?
The provider will ususally do one or the other.
If you are looking for a software solution you've come to the wrong place.

Its a Quad Band phone so it should work here. I'm not sure I understand why it would have to be roaming enabled. We dont want to roam, that would be expensive; we want to unlock it and use it with T-mobile.
Japanese providers will not assist you in any way to unlock a phone, its almost taboo to ask. When I was in Japan I asked how I could use a GSM Quad Band in the US and all they would say is it cant be done. Untrue because I know people who have Japanese phones in the US.
I'm not looking for a software solution, but if anyone knows where I could find software that might help that would be cool. I'm just wondering if anyone knows how to unlock this phone or knows how to unlock any SonyEricsson as it might be similar.
And are you asking if Sony is using Windows Mobile? If so, no they aren't. Are these forums only for WM?

My fault.
Upon further research I answered my own question.
It's actually not a GSM phone as I initially thought. Its a CDMA phone that uses a UIM card that is identical to a SIM card.
Solved

This is a GSM phone u can find IMEI number INa CDMA set u get ESN number not IMEI this phone is a GSM brand phone working on some other frequency. This can be unlocked using T-Sim but can't get network in your country.

Mytouch Slide on AT&T question

Hello all, I'm about to purchase a Mytouch Slide for use with AT&T, and wanted to make sure I wasn't going to have any issues with anything not working (GPS, SMS/MMS, etc.). I know I won't have AT&T 3G, only EDGE, but I can live with that. I searched but found very llittle on the subject, I'm assuming thats because both this handset, and this section of the forum, is fairly new.
Hopefully I'll be able to learn more about the handset in the next few weeks, and be abe to start helping others around here too. This appears to be a rather productive, professional forum. To that end, I'll say thanks in advance

What exactly are you asking.

So far the only people I know of, that can unlock this Phone is T-Mobile. Also, you must have an account in good standings & be a customer longer than 3 months..

eugene373 said:
So far the only people I know of, that can unlock this Phone is T-Mobile. Also, you must have an account in good standings & be a customer longer than 3 months..
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What, really? So, I can't just buy one from, anywhere, and go use it? I'm new to this whole unlocking thing (CDMA background, and I work for a CDMA carrier), so I'm not really sure how the unlocking process even works. I guess that means I'd be much better served purchasing one that is already unlocked?

Well you can ask them lol but yah Check local listings new mytouch slides are only 300 and get them unlocked idk XD sorry

TakoLuffer said:
Well you can ask them lol but yah Check local listings new mytouch slides are only 300 and get them unlocked idk XD sorry
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Click to collapse
I'm sorry, I don't understand what your post says. The MyTouch Slide is significantly more than $300 new. It was posted above that they can't be unlocked. Are you stating that infact isn't true, and they can be?

kendogg41 said:
What, really? So, I can't just buy one from, anywhere, and go use it? I'm new to this whole unlocking thing (CDMA background, and I work for a CDMA carrier), so I'm not really sure how the unlocking process even works. I guess that means I'd be much better served purchasing one that is already unlocked?
Click to expand...
Click to collapse
unlocking works the say way it does for CDMA as it does with GSM. The only difference is instead of having to take my GSM phone to my carrier (or call them) to have my ESN number changed to my new unlocked phone like i would have to do with a CDMA phone. I can just pop my SIM card into my new unlocked GSM phone.
Even if you work for a CDMA carrier you should know that. If you work for any cell phone carrier you should know that

krolla03 said:
unlocking works the say way it does for CDMA as it does with GSM. The only difference is instead of having to take my GSM phone to my carrier (or call them) to have my ESN number changed to my new unlocked phone like i would have to do with a CDMA phone. I can just pop my SIM card into my new unlocked GSM phone.
Even if you work for a CDMA carrier you should know that. If you work for any cell phone carrier you should know that
Click to expand...
Click to collapse
I understand the idea behind being able to take my sim card out of one GSM phone, and put it into another. The network looks for the info on your sim, not your ESN/MEID. And honestly, the only carriers that 'unlock' any CDMA phones currently are a couple of the pre-paids (MetroPCS & Cricket) as far as I know. You can't take a Verizon phone to Sprint, or visa versa. I work for a MetroPCS retailer, I know all about flashing CDMA phones to the MetroPCS network, and it's alot more than simply opening it up to be able to be used with anybody. Not to mention needing to use a 3rd-party flashing software that will flash Metro info to the device, as well as extract the MEID from the handset and add it to the MetroPCS database so the MetroPCS activation system will recognize it as a usable handset. So, it's really not a fair comparison.
Regardless, it still leaves my question unanswered. I've never dealt with GSM phones outside of simply buying a new one at the AT&T store. Being able to 'unlock' it to use with any carrier is a new idea to me. So, instead of everybody telling me I'm stupid and that I should know how it works, can ANYBODY point me in the direction of an explanation of what it takes to unlock a GSM phone, what changes need to be made, and why a MyTouch Slide is special WRT it not being able to be unlocked?

Im with att everything works perfectly on my slide

Virus1x said:
Im with att everything works perfectly on my slide
Click to expand...
Click to collapse
Might I ask how you got yours unlocked?

I got mine unlocked from theremoteunlocker.com
Gsm phones are locked via its hardware just like how when you use your pc the bios is software interlayed into your mobo so they could lock it if they wanted to only accept the types of processors they accept e.g tmobile locked their phone (the mobo) to only accept the tmobile simcard (the processor) the unlock code is a delevoper or admin unlock code that removes the simcard lock so you can use any simcard on it
Sent from my T-Mobile myTouch 3G Slide using XDA App

Virus1x said:
I got mine unlocked from theremoteunlocker.com
Gsm phones are locked via its hardware just like how when you use your pc the bios is software interlayed into your mobo so they could lock it if they wanted to only accept the types of processors they accept e.g tmobile locked their phone (the mobo) to only accept the tmobile simcard (the processor) the unlock code is a delevoper or admin unlock code that removes the simcard lock so you can use any simcard on it
Sent from my T-Mobile myTouch 3G Slide using XDA App
Click to expand...
Click to collapse
Got it, I just figured that out from reading the website that you said you used. SIGNIFICANTLY easier task than 'unlocking' a CDMA handset. I've already sent them an email, if I can infact get one unlocked, I'll be buying one this week. Thanks!!

Yep best phone have trumps iphone
Sent from my T-Mobile myTouch 3G Slide using XDA App

well where did u get urs unlocked from

Look around on tmobiles website, the have the conditions for giving you a unlock code posted. If you meet the conditions they will email you the unlock code.
I did it with my slide, I called them Friday and they emailed me a unlock code by Monday. Free and easy.
Found the URL. http://support.t-mobile.com/doc/tm51885.xml
There you go...
Sent from my SGH-T959 using Tapatalk

Virus1x said:
Im with att everything works perfectly on my slide
Click to expand...
Click to collapse
I'm assuming by perfect you're not including 3G since the slide isn't set or rather, doesn't contain the correct radio module to use AT&T's 3G band. Or does it and we're being lied to by the carriers (no surprise there) hmm...

[Q] "Your SIM card does not allow a connection to this network."

I purchased a r800a phone that is supposedly both rooted and unlocked (2.3.3). It appears to work with AT&T, but fails to work with my provider... T-Mobile. There appears to be no place to enter a PIN code as well to unlock the phone. The app superuser is on the phone, so that is why I believe it may be unlocked. When I insert my SIM card (or any other T-Mobile SIM card), it senses that one is plugged in, but fails to connect to the server when I search for networks. I have created a new APN designed for T-Mobile US, but that has not helped. I have the network mode set at GSM only. I also receive a yellow warning sign that states: "no service selected network (t-mobile) unavailable". Does anyone have any suggestions? Besides the obvious take out the battery or turn on and off the airplane mode of course.

It seems your phone is rooted, but not SIM unlocked. You have to talk to somebody on this forum named Alejandrissimo if I am not mistaken. He can do it for you real quick. Though, this information is just what I have gathered from creeping these threads so if I am wrong, don't hold me to it!

Yes i can unlock it, also check if you model is R800at instead a or i
If yes then is an Xplay 4g locked to att, I just answered you email

I think I am having the same problem. I am on rogers. Is there any chance you could help me out with this?
Again... my SIM works in other phones. Other SIMs don't work in my phone.
I get the message "Your SIM does not allow a connection to this network"
Thanks

Alejandrissimo said:
Yes i can unlock it, also check if you model is R800at instead a or i
If yes then is an Xplay 4g locked to att, I just answered you email
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Click to collapse
hi am using xperia x10 so-01b from a long time on 2.1 i installed 2.3.3 with the help of sony erricsson x10 flasher when i boot it up it says no sim card insertd insert sim card and restrt een i am unable to register a network in am in india any help will be higly appriciated..................u can contact me at [email protected]

pls help me
I have sony ericsson xperia r800i and i have the same problem.
Please help me...

Not to sound silly but did you guys insert the Sim card correctly? I inserted it with the corner piece down into the phone. It gave me the same error... Despite saying it was connected to T-Mobile.
Sent from my Nexus 5 using XDA Premium 4 mobile app

Search the forums and google for what is called "trim area" (TA) because At&t and T-Mobile have a few different frequencies they use, the device might not be seeing the T-Mobile ones. I had the same problem a while back, there are some TA flashing programs online through websites or you can contact a user name Alejandrissimo through his Xperia Unlocker website, he can flash a TA file from another R800A that is functioning on T-mobile, he has many TA files for R800A / R800AT that work on T-Mobile which he backed up from users.

216Monster said:
Search the forums and google for what is called "trim area" (TA) because At&t and T-Mobile have a few different frequencies they use, the device might not be seeing the T-Mobile ones. I had the same problem a while back, there are some TA flashing programs online through websites or you can contact a user name Alejandrissimo through his Xperia Unlocker website, he can flash a TA file from another R800A that is functioning on T-mobile, he has many TA files for R800A / R800AT that work on T-Mobile which he backed up from users.
Click to expand...
Click to collapse
Hey 216, I know you had issues with your PLAY on Tmo, however when I got my unlocked ATT model it worked without a hitch on Tmo's network. When I PMd you all those months ago about not connecting it was because I had inserted the sim backwards.. hence my comment above. Yes.... idiot move but if this is the case here then I hope it helps.. if not... its a good laugh. :laugh:

ozzmanj1 said:
Hey 216, I know you had issues with your PLAY on Tmo, however when I got my unlocked ATT model it worked without a hitch on Tmo's network. When I PMd you all those months ago about not connecting it was because I had inserted the sim backwards.. hence my comment above. Yes.... idiot move but if this is the case here then I hope it helps.. if not... its a good laugh. :laugh:
Click to expand...
Click to collapse
Oh yea can't forget those days... when use R800x users made the switch... thinking about a sim card and "how do I get it in" :laugh:

216Monster said:
Oh yea can't forget those days... when use R800x users made the switch... thinking about a sim card and "how do I get it in" :laugh:
Click to expand...
Click to collapse
Tis the season to be Jolly....
On a more immature note....that's what she said. Kidding....

El_Colombiano said:
It seems your phone is rooted, but not SIM unlocked. You have to talk to somebody on this forum named Alejandrissimo if I am not mistaken. He can do it for you real quick. Though, this information is just what I have gathered from creeping these threads so if I am wrong, don't hold me to it!
Click to expand...
Click to collapse
i got same problem. my xperia J is SIM unlocked. after flashing CFW . i got problem about my SIM " not allow acces network"
i attach SS.. please help

[Q] Unlock Galaxy Nexus?

Hi any news of unlockin sim carriers in uk? Any1 used sgs2 unlock tool from this website? it was awsome so something like that?
i have o2 just bought want to run orange sim card.
and yes i dont want to pay 20 quid or even 15 to any website thanks rather i would donte to the devs ;D

The Nexus line of phones come unlocked

Dark lord me said:
The Nexus line of phones come unlocked
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Click to collapse
tell it my phone...locked to 3(three)

Dark lord me said:
The Nexus line of phones come unlocked
Click to expand...
Click to collapse
Nexus phones do not come sim unlocked they can be locked by the carriers and most of them do.
muddassar001 said:
Hi any news of unlockin sim carriers in uk? Any1 used sgs2 unlock tool from this website? it was awsome so something like that?
i have o2 just bought want to run orange sim card.
and yes i dont want to pay 20 quid or even 15 to any website thanks rather i would donte to the devs ;D
Click to expand...
Click to collapse
There is currently no 'free' way of sim unlocking your device if you hang around long enough someone may write a program to do it but you may be waiting a while. Quite a few members have stated the unlock code can be obtained over ebay within 2 hours for around £9 which is a good price. You could also contact your carrier and tell them you want to take your phone abroad and use a different sim card in it while you are away to save costs. Sometimes they will unlock it for free.
Mark.

JohnnyTrue said:
tell it my phone...locked to 3(three)
Click to expand...
Click to collapse
I read something on twitter from three uk which said only their first batch of gn were unlocked and all others will be carrier locked. Three charge to unlock their phones whether still in contract with them or not.
Sent from my Galaxy Nexus using Tapatalk

My one is locked to o2
well my one is locked it says something to enter password and its on o2 who never give out their phone as unlocked well thanks for telling me about ebay its cheap but still i want to suport any dev out here as i did when i had galaxy s2 and had a very easy way to unlock it... well then m gna try ebay

muddassar001 said:
well my one is locked it says something to enter password and its on o2 who never give out their phone as unlocked well thanks for telling me about ebay its cheap but still i want to suport any dev out here as i did when i had galaxy s2 and had a very easy way to unlock it... well then m gna try ebay
Click to expand...
Click to collapse
UPDATE:got my phone unlocked in no time from ebay for just £8.75 thats reasonable. some named theunlockguru

muddassar001 said:
UPDATE:got my phone unlocked in no time from ebay for just £8.75 thats reasonable. some named theunlockguru
Click to expand...
Click to collapse
Nice job and good price
Mark.

muddassar001 said:
UPDATE:got my phone unlocked in no time from ebay for just £8.75 thats reasonable. some named theunlockguru
Click to expand...
Click to collapse
Could you tell us how to, please? THank you.

Its from ebay
JohnnyTrue said:
Could you tell us how to, please? THank you.
Click to expand...
Click to collapse
goto ebay.co.uk and search unlock galaxy nexus and there would be two people having the code one with £8.75 price and other with £8.95 i think i used £8.75 one with the store name theunlockguru and it was perfect it just only took 10 mins and got my code hope that helps

muddassar001 said:
well my one is locked it says something to enter password and its on o2 who never give out their phone as unlocked well thanks for telling me about ebay its cheap but still i want to suport any dev out here as i did when i had galaxy s2 and had a very easy way to unlock it... well then m gna try ebay
Click to expand...
Click to collapse
got mine unlocked from o2 for free, filled in a form on their site and they emailed me the unlock code

just bought a SIM unlock code from here for £5
instant delivery, works perfectly. awesome

a warning about sim unlock: I got my nexus today from vodafone spain and as expected it was locked. I got an unlock code from ebay and it worked like a charm.
But, I like to play with new phones first, then restore defaults and set everything up the way I want it. The thing is, the galaxy nexus doesn't remember the network unlock code between factory resets, at least mine doesn't (yakju, came with ITL41F).
The codes work, but you may need yours again, so don't throw the number away

any code for three? im waiting the three to give me the code, about 2 weeks now

Hello Mark, is the Samsung Galaxy Nexus an universal phone? Can I use the unlocked version with LTE carriers in the future? I am in US and Verizon is the only LTE carrier I was wondering about using T-Mobile (HSPS technology) or wait for Sprint (my current carrier). I live in USA but I am thinking about moving to Japan so I wonder if I should just wait and maybe I will need to get one in Japan with one of their carriers... Also I love the forums and it is all great, but is there an IRC room for this questions as well?
Thank you in advance,

jairu said:
Hello Mark, is the Samsung Galaxy Nexus an universal phone? Can I use the unlocked version with LTE carriers in the future? I am in US and Verizon is the only LTE carrier I was wondering about using T-Mobile (HSPS technology) or wait for Sprint (my current carrier). I live in USA but I am thinking about moving to Japan so I wonder if I should just wait and maybe I will need to get one in Japan with one of their carriers... Also I love the forums and it is all great, but is there an IRC room for this questions as well?
Thank you in advance,
Click to expand...
Click to collapse
IRC channel, freenode @ #gn - http://forum.xda-developers.com/showthread.php?p=20396301
The GSM version can be purchased unlocked and used on any GSM carrier with their supplied SIM card. The GSM frequencies are listed for the Galaxy Nexus and they cover the majority of GSM international and US domestic carriers.
The LTE version, as far as we've heard, is only for Verizon in the US. Not sure what LTE technologies other carriers in other countries are using.
If you're interested in having an international capable version of the deivce, the GSM version is currently your best option.
Hope that helps!

Hi,
I would also like to purchase such a code, but how ist it with OTA updates? Still avialable?
How would it be if I later root my phone and put on a custom rom? Will it be still unlocked.
or
cant I just put on a custom rom, to sim-unlock the phone and save those costs?
Sorry for the noob questions.
Thanks

abcls said:
Hi,
I would also like to purchase such a code, but how ist it with OTA updates? Still avialable?
How would it be if I later root my phone and put on a custom rom? Will it be still unlocked.
or
cant I just put on a custom rom, to sim-unlock the phone and save those costs?
Sorry for the noob questions.
Thanks
Click to expand...
Click to collapse
Custom Roms cannot sim unlock your phone as it isnt part of the system.
Flashing an OTA update or a custom rom will not affect your phone if you have sim unlocked it with a code.
MArk.

Hi,
Thanks for the reply.
I have contacted my carrier (A1 Austria) and complained about the simlock. To make a long story short, they finally gave me the simunlock pin.
But recently I unlocked the bootlader and the unlock was wiped so I needed to reenter the pin. After I reflashed the original rom (back to stock) the sim was locked again.
And the most strange thing happened today. I just restarted the phone today (as every day) and the sim was locked again. So reentered the pin to unlock.
My question now, can it be that the simumlock pin they have provided me is not correctly working or is this a normal behaviour or a bug?
Br, Avi
Sent from my Galaxy Nexus using xda premium

That appears to be normal behaviour.

[Q] Can the xperia play [R800x] company be flashed to another carrier?

Hey i am just asking a quick question... I am pretty sure that any CDMA Phone cannot be flashed to a new carrier but i would like a final word form the pros I was wondering if it was possible to flash my xperia play [R800x] to something like boost mobile or tmobile? my xperia play is Currently (bootloader unlocked)

xdarkmario said:
Hey i am just asking a quick question... I am pretty sure that any CDMA Phone cannot be flashed to a new carrier but i would like a final word form the pros I was wondering if it was possible to flash my xperia play [R800x] to something like boost mobile or tmobile? my xperia play is Currently (bootloader unlocked)
Click to expand...
Click to collapse
The 2 USA CDMA carriers that will accept your unlocked R800x is Cricket and Pageplus. Thats it no boost mobile (they dont accept unlocked phones on their service now I think) or tmobile (GSM). Also if your asking if you can flash it yourself for free you cant. You need purchase software and know what your doing.

chery2k said:
The 2 USA CDMA carriers that will accept your unlocked R800x is Cricket and Pageplus. Thats it no boost mobile (they dont accept unlocked phones on their service now I think) or tmobile (GSM). Also if your asking if you can flash it yourself for free you cant. You need purchase software and know what your doing.
Click to expand...
Click to collapse
hmm very interesting.. thanks for the info.

One more thing...
i found a really good CDMA carrier that i really wish to flash to it's called US Cellular. it has the perfect plan i want. is there some way i can get this carrier?