Hi.Everyone I wrote this article bcoz I think this unique product(Superior Sim Ultra plus) Realy needed millions of peoples who use iPhone 4 and Update to new IOS mean 6.0 to 7.1.2 all IOS have change baseband and iphone4 Network locked For Example I upgrade my iPhone 4 to IOS 6.1.3 so my iPhone Baeband(modemfirme) Auto Change to 04.12.01 if use 04.12.1 so change to 04.12.5 if update IOS 7 so it's change to 04.12.09 .and we all are know Verry we'll that Dev team and gevey sim or Rsim Failure to Unlock Above Basebands.But now Such a Great Surprrise that Superior Solutions Announce Biggest release superior sim ultra+ I call it's Unbeatable Coz Before an month goes I brought an iPhone 4 from an shopkeeper in Karachi Pakistan he says it's unlocked but when I know that Apple Announce New Ios 7.1.2 so I excited and update my iPhone but what Happen my iPhone its locked ohh shit I call to seller he tell that iPhone I sale you it's software unlock by ultrasnow and in IOS 7 does not support also I lose IOS downgrade Option From my iPhone 4 coz I don't have shsh blobs Save . So I search in internet and find this unique and quickest solution I order early for an sim for me in Karachi Pakistan here i Must wanna Mantioned that They Offer for whole Pakistan Cash On Delivery Service so its more Secure way So I Place Order by Cash On Delivery at Them Virtual Reseller in Karachi Pakistan and I recived it within 2 Days by ( Registered Post) and now I m lucky to use my iPhone 4 with full functional with network and all features.And this all credits Goes to Superior Sim Ultra+ it's a magic unbeatable sim .so I decide write An Article here For Everyone have iPhone 4 Locked, also I write below Full Guide How Its Work & how to use :
Guide:
First Step:
Restart Your iPhone 4 without any sim.
2nd Step:
After Restart insert Your Any Network sim With Superior Sim Ultra + Sim Interposer.
3rd Step:
Now Wait For 15 Seconds Auto searching Comes In Network Baar and come signals Simply(Its For Only Brand New iPhones Mean its auto activate and restart your iphoneand Signals Come without any Operation. For Other Iphones Like Jailbreaked iPhone And Activated iPhone 4 Holders Skip This Step AndFollow Below Steps.
4t Step:
After Insert Your Network Sim With superior Sim Ultra + Sim Interposer Goto Settings
5t Step:
On Airplane Mod

6th Step
Off airplane Mod
Note(airplane mod 2 to 3 time just on and off )
7th Step:
Now just wait show anPopup Massage 2 times
No sim Installed
8th step:
Now Show No service.
9th Step:
Just wait 5 second after show popup its auto disappear and Now Auto Come your Network Signals.
Note: If regularly Searching so Please Visit below link for troubleshooting.
Also some time In Step 5 An Popup Show Click Accept.
Click here

Thanks I hope my This Article Helps More Peoples.

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Contact Details:
AIM: Superior Sims
ICQ: 675858855
Sonork ID:100.1651291:GSM
Skype: IPHONE5DEVELOPER (USA Head Office)
Skype: REPIARINGIPHONES
( Pakistan Virtual Office)
Direct Call:
USA Office +1-818-794-9842
Pakistan Virtual Office +923233449842
UNited Kingdom Shipping Detail :+447031890688