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So we finally have the unlock solution to the infamous baseband 4.11.08 provided by a Chinese hacker named Loktar_Sun. As Maypalo has posted so many news and unlock guides for iPhone 4/4S users, it has got a bit hard for those new users who have just found out about the unlock. So I have pretty much compiled all of these guides in one post so it becomes easier for you to get your iPhone 4 baseband 4.11.08 unlocked. Read ahead!
First of all lets begin with the unlock guide. The unlock guide we posted on Maypalo proved successful to about 90% of all iPhone 4/4S users who tried to unlock in the first go. As we have already written the complete how-to guide for unlocking there is no need to write the entire method again. Simply follow the link below to unlock your iPhone 4/4S.
Note: The guide to unlock is not just for iPhone 4/4S but for all iPhones no matter what baseband they are on.
iPhone 4 Baseband 4.11.08 Has Been Unlocked! Unlock iPhone 4 Now (Guide)
The guide to unlock should work for a majority of iPhone users, but those who might be experiencing difficulty with a written guide, we have a video tutorial to unlock your iPhone. So this is for those folks who are more of a visual kind.
Video Tutorial On Unlocking iPhone 4 & iPhone 4S Using SAM Method (Video Guide)
Now both of the links provided above should get your iPhone 4 or any other iPhone unlocked. But it seems the some users have been experiencing problems especially when trying to re-activate iPhone. A message pops up saying SIM card is not supported, follow the link below to fix your problem. I have included other posts that might help you fix some problems.
Here Is How To Fix “SIM Card Not Supported” Error While Unlocking iPhone 4 Baseband 4.11.08 (Guide)
Fix Unknown Error oxE8000065 On iTunes For iOS (Guide)
After following all the guides above you are bound to get your iPhone 4/4S unlocked on any baseband. But as this is not a permanent solution it does have some risks. iPhone Dev team memeber musclenerd and baseband hacker Sherif Hashim have argued users to save their unlock activation/baseband tickets which might come in handy in future. Follow the guides below to save your activation tickets.
Note: This method is a manual one therefore uses iFile and it saves the activation/baseband tickets on your email.
Here Is How To Save Your Unlock Activation Ticket For iPhone 4/4S (Guide)
Note: This method uses redsnow to save your activation/baseband tickets and is there for somewhat easy compared to others.
Download Redsnow 0.9.10b8 To Save Baseband Tickets (Easy Guide)
So folks that’s it. By this time most of you who have got your iPhone 4 or any other iPhone unlocked no matter what baseband you are on.
Stay tuned at Maypalo and follow us on Twitter or join our Facebook Fanpage to keep yourself updated on all the latest News!

I have successfully unlocked my iPhone 4 baseband 4.11.08 using SAMPref and now I can receive call and message but I can’t make outgoing call. Please help.
i had same problem!… please check Settings/Phone/Show ID Call –> ON
It Works For ME!
Can i do this even if i dont have the carrier sim that is locked with the phone! I am locked with rogers (canada)
Please help!
Thanks
Look this guide iphone4g-pro.com/desimlock-iphone-avec-sam-t12969.html , i haves same prime like you , now SAM work for me
Hi justin, does this still work
^^ Of course you can!!
how can i fiz this or can i jailbreak my iphone 4s i dont have the original sim it says :the sim card inserted in this iphone does not appear to be supported
how can i fix this or can i jailbreak my iphone 4s i dont have the original sim it says :the sim card inserted in this iphone does not appear to be supported
How do I get push notification when unlocked via SAM?
I am in the Netherlands (Vodafone NL) and my iPhone is from Sweden (Tele2).
I’ve tried some tuts that I found but nothing seems to work.
Also FaceTime and iMessage don’t work.
If anyone knows, please share…
I’ve tried this method and at first my facetime and imessage wasn’t working either but then I updated to ios 5.1 whilst preserving baseband 4.11.08 and then everything started working. Thing is u’ll have to jailbreak again but I think that’s fine so long as everything works.
That’s interesting, I’ll try that.
Tnx
Hi FAZ..its possible to explain upadating 5.1 while pres baseband method..or any link pls do help thanks
Here’s the link.
youtube.com/watch?v=2z-wD9jNSBE
This helped me to do it properly. I wasn’t gonna update but since one of the troubleshooting tips for facetime said to update, I thought I’d try it whilst preserving baseband. (Lets face it, an iPhone is crap without facetime, imessages and the rest) Also some have said that this unlock method does work on 4.12 so even if you fail to preserve the baseband, you should be able to unlock your phone again via SAM.
I updated to 5.1 and got imessage working. Push notifications dont work though.
Everything seems to have worked for me. Its been 3 days and its working fine. Check your settings or as a last resort, jailbreak and follow the instructions given to get push notifications working.
Do you have a solution for an Iphone 4 8gb. CDMA (SPRINT). (no sim card slot).
the baseband is something like 3.00.01. ????
Please help.
Yesterday I used SAMprefs to unlock an iphone 4 16gb at&t and works perfectly
for my carrier TELCEL (mex.)
i had same problem!… please check Settings/Phone/Show ID Call –> ON
It Works For ME!
Does it work for bb 04.12.01?
Yes!!!!!
For now on, the only request is the jailbreak for the ios 5.1 untethered. whenever!
On the way also.. pod2g got all the exploits already..
Thank you so much Maypalo! I’ve been patiently following your site for 4 months now with regard to this 4.11.08 baseband. What I can say to loctar_SUN? This person is so GENIUS. SAM unlocking solution is AWESOME and GREAT. My iphone 4 v5.01 with bb 4.11.08 was unlocked after two tries following the guide/tutorials. Now, I can use the phone features of my phone. Thanks again Maypalo & loctar_SUN. I am from the Philippines and my carrier is Globe.
Still notification centre not
Working! Plss help..
Worked like a charm! iOS 5.1 / 04.12.01 baseband.
Roshan (Afghanistan) never looked so good with 4 bars.
Vodafone chennai not shown in carrier list :/
For everyone having trouble with the “SIM not supported” follow these steps: (For factory Locked 5.01 4.11.08 & Hacktivated)
1 – Have iphone Unplugged from PC.
2 – Open SAM and Revert Lockdown 1st, then De-Activate your iphone.
3 – Select your Country / Carrier / 1st SIM ID
3 * Disable SAM
4 – Plug into pc and open iTunes
5 – Your now UNLOCKED
*** Make sure to Disable SAM in step 3, It cannot get any clearer than this***
SAM is the MAN
samsnewbestfriend says:
Apr 24, 2012
Reply
You dont need Original Sim, You just need to know Original Carrier.
Works on Hacktivated iphone without Original SIM.
Follow the “5″ Steps above. And report back with your success..
Will this work for 5.0?
For everyone having trouble with the “SIM not supported” follow these steps: (For factory Locked 5.01 4.11.08 & Hacktivated)
1 – Have iphone Unplugged from PC.
2 – Open SAM and Revert Lockdown 1st, then De-Activate your iphone.
3 – Select your Country / Carrier / 1st SIM ID
3 * Disable SAM
4 – Plug into pc and open iTunes
5 – Your now UNLOCKED
*** Make sure to Disable SAM in step 3, It cannot get any clearer than this***
SAM is the MAN
Hi samsnewbestfriend, I guess u meant the carrier and country the phone was originally locked. right?
samsnewbestfriend, it doesn’t works for me, any other alternative methods? thanks
Hi samsnewbestfriend, it does not works for me, any other alternative methods? Thanks
For everyone having trouble with the “SIM not supported” follow these steps: (For factory Locked 5.01 4.11.08 & Hacktivated)
1 – Have iphone Unplugged from PC.
2 – Open SAM and Revert Lockdown 1st, then De-Activate your iphone.
3 – Select your Country / Carrier / 1st SIM ID
3 * Disable SAM
4 – Plug into pc and open iTunes
5 – Your now UNLOCKED
*** Make sure to Disable SAM in step 3, It cannot get any clearer than this***
SAM is the MAN
I install the repo and downloaded SAM, when i hit respring it took like 5 minutes, then my iphone restarted and got stuck with the apple logo. Now it wont turn on. HELP PLEASE!!!
did you get your iphone fixed/ got the same issue my iphone wont turn on anymore
Ive managed to unlock my Iphone but when making/receiving calls the tone remains mute. I cannot hear the other party and vice versa nor the ringing during a call.
Anybody knows the reason or any solution for the particular problem ?
Thanks in advance!
Thanks maypalo, I have unlock my iphone4,
My phone works fine. Thx
I can’t do it.Please give some help guys.. My carrier is Globe and I’m from the Philippines..Any help will be highly appreciated.thanks
pre, san kaba na nagkaproblema? nagbabaka sa kaling matulongan kita
sa pag unlock
pre, supported ba ang sun carrier sa SAM?
i follow all the steps. but it cant work..
I’m from the Phils. too, I think SUN carrier is not supported by sam. I unlocked my iphone 4 from japan-softbank carrier and i have globe simcard, and i also did a backup for my sam unlock ticket. But now even if you are successful with sam method, your carrier will still show: NO SERVICE, unless you did a backup for your sam unlock ticket before and do a restore method.
ok ba to sa smart pre?smart kase gamit ko eh.and baseband ko is 4.11.08?mggmit koba yan guide n yan?reply nmn sir?
After I do this SAM n my iPhone 4 5.0.1 JB and save my tickets, can I upgrade regular through iTunes and still be unlocked or do I have to JB again to get my tickets?
I successfully unlock my iPhone 4, 5.0.1, BB 04.11.08 via SAM method. However I experiencing some issues with the unlock, for instance when I try to make a phone call, the person I’m calling receives and “Unknown” as number or sometimes a “Block” message, thus everyone I called received an “Unknown” number because I tried calling a variaty of people and they all told me the same thing. If anyone is experiencing the same and got it to work please replay to this message. Thank You
congratulations it works.
Fallow the Gide very its simple unlocked iPhone after 1 year.
Regards from Portugal
You have to put in Carrier / Country / The SIM details the phone is locked to.
If your phone is locked to “AAA” and you want to unlock to “BBB” then you enter the “AAA” details into SAM Country/Carrier/SIM ID.
If you unsuccessful, Do the steps again:
Just make sure you DISABLE SAM after putting in the Original Country/Carrier/Sim ID that its locked on.
ranjit ,. i’m stuck in step no 2 ..De-Activate your iphone, then SAMstate: waiting for a response… !?!
carlos, that means SAM couldn’t load for some reason, reinstall the SAM and follow the steps
It’s a chaaarrrrm!!! unlocked iphone 4 locked to ATnT n been able to use SMART phil. After a day, I installed a cfw 5.1 and it automatically unlocked my phone after restoring. no need to do the SAM unlocking process again. i’ll jailbreak when an untethered jb comes…
did you jb(tethered) ur ios5.1?
sir plss help me.smart din gamit ko maauz ba yan sa guide n yan?mggmit nba xa?plss help me to unlock my iphone 4 baseband 4.11.08
It worked!! I’m a globe user from the Philippines and my iphone is locked from softbank japan. SAM is a BEAST!! hahaha Finally have a fully functioning iphone
dont thank SAM thank the chinese hacker loktar sun….
How? I have problems in unlocking my iphone. It is locked in softbank. Can you please help me?
pre help m nmn aq?smart gmit ko eh.gagana ba to sa guide n yan?help m nmn aq pre.tnnx..
pre help m nmn aq?smart gmit ko eh.gagana ba to sa guide n yan?help m nmn aq pre.tnnx…….help nmn pre
What if you don’t know the carrier it was locked to?? It just says CARRIER LABS 12.0 in my phone’s settings… I’m positive this is the hang up I’m having.
did you ever find out how to fix the carrier 12.0 problem?
Same here carrier labs 12.0
What is this?
^^Check ur carrier through iTools
I just unlocked my ip4 04.11.08 with sam .
After signal issues i restored with custom ipsw.
without doing anything (jailbreak) the phone is unlocked .
Woooooow
I tried to Install SAM successfully, but the problem is the sounds in my iphone4 went out(games, keys,) Already turned on/off, checked the volumes and switch, But still no sounds. Please advise.
Since SAM created by SBINGER, the first unlock using SAM was first created by Hamzah_Akram but he didn’t explain it well (maybe he forget to add the iTunes activation trick in his procedure). That’s why more people call him fake specially the apple puppet namely sherif_hashim and musclenerd. They always want the spotlight on them. After a long month of developing (I don’t think so), they are always promising (applenberry, sherif_hashim and musclenerd) these unlock even if they already know these unlock. They only want to create more money out of this promise. Since RSIM officially created these unlock with IPhone 4S and created a BB 4.11.08, the battle become competitive. Unfortunately this unlocks/method was already known by this hacker (really?).When Loktar_Sun realize the correct step by step procedure (using Hamzah_Akram method of SAM), this good Chinese man are willing to share the idea created. Since this man is not related to the Apple puppets (you know who), he release these unlock to the public. Since millions of people agree that this is real. After a day, applenberry announced that unlock is now available. Sorry, we would rather choose a free unlock instead of paying a chip with the same result (do you agree with me). The Apple puppets also make their step by creating an additional info by upgrading the redsn0w by saving the bb ticket activation in order to put them in the spotlight. That’s the real hacker make. STEALING right? Stealing the SPOTLIGHT from other. The point here is to thank the right person. First to thank is SBINGER. Without SAM there is no unlocking right? Unlock become possible when Hamzah_Akram(who steal helping to create an AT&T unlock with his follower even if his SAM unlock is not acknowledge by Apple Puppets) created the SAM unlock procedure were few people become successful without realizing that these unlock was created after using Hamzah_Akram method and buy plugging their Idevice in iTunes. And finally Loktar_Sun who make the complicated things become easier (this is the current unlock). Don’t be surprised when ultrasn0w will be release in a few days
.
Is Loktar_Sun’s method still working? I saw post that Apple has changed its server so it is not working now. Can you clarify it?
Anyone in the Philippines with an AT&T-locked iPhone 4 have any luck?
do we need the newest itunes for this?
i did SAM unlock to my iphone 4 last night and everything seems to be ok i can make and receive call messages and facetime too
i was using GEVY before and activated my iphone on it to use facetime and imessages and push when i used SAM everything then is fine
so i think u should activate ur iphone properly and be sure its push and facetime are working fine then use SAM to activate it without GEVY
hey can i unlock base band 02.10.04 using SAMpre
I am having Iphone4 which is locked with service provider Softbank Japan.
Is it possible to unlock and use in INDIA,
If yes, please mail me arun.r.mca@gmail.com
who have a backup of lockdown files lock from at&t us unlock to globe philippines?
Hi! I do have iphone 4 ios 5.1 firmware 4.12.01 that already JB 5.1 tethered. This is originally bundled with Orange UK. I tried to unlock it using SAM but still showing “NO SERVICE”. But the SAM shows its ActivationState is now “WildcardActivated”. My IMEI is not blacklisted..Am from the Philippines trying to unlock to Globe sim. Can anyone help me abt this.
I want to unlock my iphone 4 ios5.1 bb(04.12.01),contract on roger.Now tell me it will be unlocked in india and what price pay to unlock……..please help me nd send me mail on amritpalsingh0246@gmail.com
sam unlock posbile now?
i tried to unlock my phone with SAM, but i think it is not working now…. my phone got blocked… i got stuck in “activating your iphone”. i am unable to open any other application…Please help… i tried to jailbreak… but it is not getting done….
I am having Iphone4 which is locked with service provider Softbank Japan.bb 4.11.08 & iso 5.0.1
Is it possible to unlock and use in INDIA,
If yes, please mail me rajeshpt2@gmail.com
I am having Iphone4 which is locked with service provider AT &T with .bb 4.12.01 & iso 5.0.1
Is it possible to unlock?????