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Welcome!

Outraged behavior cellular that block phones, I decided to help all victims that area.
The result of my work are calculators that generate a code used to unlock your phone from simlock.
I encourage you to download and comment my work.

John Q

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Nokia Lumia 900 Versus HTC Titan II

For the first time in Windows Phone history, we actually have two drool-worthy handsets in the market that both run Microsoft’s fledgling mobile platform.  And we’d like to chime in on the most pressing issue in any current Windows Phone convert’s mind: which one should you get between the Nokia Lumia 900 and the HTC [...]

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Nexus S Gets Official Jelly Bean OTA

 

When Jelly Bean source was first released, it was automatically assumed that the first devices to receive an official update would be the Nexus devices. Not long after, that actually happened for the Galaxy Nexus and Nexus 7, leaving owners of older Nexus devices wondering when it would be their turn. In fact, the Samsung Nexus S forums had a thread dedicated to the countdown of the Jelly Bean update. Luckily, the wait is now over, as the Nexus S Jelly Bean OTA has been released.

The thread above, maintained by XDA Senior Member oldblue910, along with this thread posted by XDA Forum Member ffaiz.m both have download links to the OTA if you don’t feel like waiting for the OTA to get rolled out to you.

The OTA appears to only be for the i9020T and i9023. As reported by PocketNow:

According to reports, i9023 variants of the phone should be able to upgrade and there’s even a link for the file on Google’s servers. It also appears that i9020T flavors can also use the refresh.

Welcome to the official Jelly Bean club, Nexus S owners. For additional information, check out the links above.

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Unofficial CM10 for the Kindle Fire and Original Galaxy Tab

 

We are well into the march of Jelly Bean, and the number of devices that have gotten Google’s latest and greatest is quite staggering. There are so many, in fact, that we are dedicating entire XDA TV episodes to it. A couple of the latest devices to get Jelly Bean—more specifically unofficial CM10 builds—are the Amazon Kindle Fire and the Samsung Galaxy Tab.

The Amazon Kindle Fire was given unofficial CM10 by XDA Senior Member twa_priv, and the Galaxy Tab was given its goods thanks to XDA Recognized Developer cdesai. In both instances, as has become typical for new builds, the ROMs have quite a bit working and quite a bit broken.

No list of things not working is provided for the Kindle Fire, but given that the change log is based almost entirely around adding features and fixing bugs, it’s safe to say that twa_priv is well on the way to fixing everything. Things not working in the Galaxy Tab port include:

Auto-Rotation animation looks weird.
Isn’t really smooth
External sd doesn’t work (isn’t mounted)
Will add more as they are discovered

The Kindle Fire version also features some additional modifications to include features from the SGT7 project. However, one should note that while they are fun to play with, neither of them is really geared yet for daily use.

For additional info, check out the Amazon Kindle Fire JB thread or the Samsung Galaxy Tab JB thread.

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Install a Custom Recovery Image on any Xperia Device with RecoverX

 

Sony’s Xperia devices are hugely popular and have a pretty substantial amount of developer support here on XDA. Of course if you intend to start flashing any of the available custom ROMs and kernels, you will need a custom recovery.

Cue XDA Forum Member LEDelete and his tool, RecoverX. RecoverX is a tool for Windows that allows you to install a custom recovery on any Xperia device quickly and easily. In the words of LEDelete:

You just have to launch RecoverX, enter “install” and select your device, the recovery you want to install and RecoverX does the rest, it’s that simple.

This is useful for those who may be new to flashing, and are unsure of which recovery image to use and the relevant installation procedure. Obviously it’s always still a good idea to learn how to do these things manually, but who doesn’t like to make things easy once in a while?

The tool is currently capable of installing CWM 5.0.2.7, CWM 3.2.0.0 (for X8), and xRecovery (for X8).  The developer states that if you would like to see a recovery of your choice made compatible with the RecoverX, he’d be happy to hear from you and see what he can do.

If you have an Xperia device that’s crying out for a custom recovery, head on over to the original forum thread.

Update – Links now fixed, sorry about that folks.

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HTC Evo 4G LTE Announced

Sprint has announced the newest high-end player in its smartphone line-up.  Called the HTC Evo 4G LTE, the latest addition to the Evo line will be the first US handset to feature HD voice, which boasts a “fuller, more natural-sounding and less -fatiguing voice quality.”
Clad in an aluminum spaceframe, it measures 0.35 inches in thickness [...]

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Sony Xperia Neo L Announced

Sony has officially announced the first smartphone in its roster to come with Android 4.0 Ice Cream Sandwich in tow.  That honor goes to the Sony Xperia Neo L MT25i (whew!), the successor to last year’s Neo.
Slated to drop in both black and white, the handset measures 121 x 61.1 x 12.2 mm and weighs [...]

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LTE ‘Antenna Ports’ and their Physical mapping

People who work with LTE Physical layer and maybe higher layers would be aware of this term called ‘Antenna Ports’. I have always wondered how these antenna ports are mapped to physical antennas.
The following is from R&S whitepaper:
The 3GPP TS 36.211 LTE standard defines antenna ports for the downlink. An antenna port is generally used as a generic term for signal transmission under identical channel conditions. For each LTE operating mode in the downlink direction for which an independent channel is assumed (e.g. SISO vs. MIMO), a separate logical antenna port is defined. LTE symbols that are transmitted via identical antenna ports are subject to the same channel conditions. In order to determine the characteristic channel for an antenna port, a UE must carry out a separate channel estimation for each antenna port. Separate reference signals (pilot signals) that are suitable for estimating the respective channel are defined in the LTE standard for each antenna port. 
Here is my table that I have adapted from the whitepaper and expanded.

 

The way in which these logical antenna ports are assigned to the physical transmit antennas of a base station is up to the base station, and can vary between base stations of the same type (because of different operating conditions) and also between base stations from different manufacturers. The base station does not explicitly notify the UE of the mapping that has been carried out, rather the UE must take this into account automatically during demodulation (FIG 2).

If there is another way to show this physical mappings, please feel free to let me know.

The R&S Whitepaper is available here if interested.

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Got Linux? The Linux-on-Android Project Can Help

 

Linux—I’m sure most of you are familiar with it. In case you aren’t, here’s a quick visual guide. Due to the close ties between the Android OS and Linux, there are several different ways in which you can run a Linux-based OS on your Android device. However, the one I want to talk about here is one of the simplest, and aims to make Linux accessible to as many devices as possible.

The Linux-on-Android project, brainchild of XDA Recognized Developer zacthespack, is a simple and non-destructive way of running various Linux distros on your Android device. It uses the well-known method chroot, and runs the distro within a virtual machine on your device. The main benefit of this is that nothing is changed or overwritten on your device, apart from obviously occupying some storage space, your current set up is left unaltered. It’s possible to use a VNC to access the GUI of your chosen distro. Alternatively, you can use terminal if you are a veteran linux user. The Linux distros currently supported are Ubuntu, Debian and Backtrack.

The accompanying application, known as “The Complete Linux Installer” is essentially a tool which will guide you through setting everything up as simply as possible. And when I say simple, I really mean it. The application will have you up and running in no time at all. For a more detailed description of the methodology and run down of the project then check out the original forum thread.

As you may have guessed, this requires root access. It should work on most medium/high spec devices and most ROMs. The developer is also keen to hear from any of you who have a Nexus 7 and want to test this out. He’d very much like to be able to support the device, but is currently unable to get hold of one himself and needs guinea pigs testers. So if you have a Nexus 7 and would like to test this method out, please stop by the thread and let him know how it works.

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Smartphone Guide: Best Budget Phones

Shopping for a new phone this Spring?  Here are our picks for the best budget smartphones among the releases currently in the market.

Pantech Burst ($49.99 on contract with AT&T).  Featuring an impressive specs sheet and decent looks, this is arguably the best value available today.  Not only is it a proper 4G LTE device, it [...]

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Unofficial CM10 Alpha for the Mighty HD2

 

Just a few days ago, we brought you news of an alpha version of Jelly Bean for the seemingly immortal HTC HD2. I could sit here and yammer on for days about how magnificent the device is, and how we may never again see a device that is capable of so many wonderful things, but I won’t. If you aren’t familiar with the HD2 and just how awesome it is, there’s something very wrong with you.

Never one to lag behind other devices, it was only a matter of time before the development community picked up that ball and ran with it. XDA Recognized Developer sportsstar89 has done just that, and given the device it’s first unofficial version of CyanogenMod 10. While this build is still in a very early stage and is bound to have a few bugs and quirks, it’s certainly usable. It also serves as a great base for those looking to build further development work and help porting effots. It’s currently only compatible with the CLK bootloader, so those of you using MAGLDR will need to switch if you want to test this out.

Head on over to the original thread to find out more.

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