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How to free SIM UNLOCK your G300

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#161
gheorg1975

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What permanent damage ? I unlock my phone with this metod but after install of new rom the phone is network lock. I dont see any damage at my phone.

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#162
sharkyo01

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Check your:

IMEI number
Mac addresses of both bluetooth and wifi
Serial Numbers

There are also issues regarding the way you zero the IMEI and the way it is rewritten. e.g. A number is written in permanent ink on a white board. You come along with chemicals and really scrub it til it disappears. Then you come along with a non permanent marker and write it on. The non permanent marker can easily be rub off by mistake and it is never permanent.

The method used with any imei remover or writer will cause the same issue as the rewriting of the IMEI is never permanent.

Edited by sharkyo01, 16 July 2013 - 02:51 PM.

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#163
gheorg1975

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IMEI is OK, MAC address is OK.Correspond with those in the phone box.
I do not know where you can check the S/N that appears on the box and behind the battery on the phone.

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#164
sharkyo01

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IMEI is OK, MAC address is OK.Correspond with those in the phone box.
I do not know where you can check the S/N that appears on the box and behind the battery on the phone.


Well it may be like that but when you come to flash another stock rom or install a custom rom you will have issues as I describe on my other post because of the way it rewrites imei to the phone. It really is not a safe way of unlocking your phone.

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#165
ragezor

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Hey Jazz, your problem with the toggles is pretty normal and I think happens to anyone who tries this exhausting method. Anyway I think the fix was mentioned a bit earlier on this thread (not sure if it was this thread or the other 100 I read) but what you need to do is find the VENDOR file for whatever ROM you are currently on and apply it on the ROM. So for clarity sake:

1. Find the VENDOR file for whatever ROM (stock ROMS only) you have e.g. I downloaded B927 from somewhere on this forum. When I unzipped it I was faced with two folders ("dload" and "vendor"). In both folders you find and UPDATE.APP - we know the one in the "dload" folder is the ROM, but the one in the "vendor" folder will always be an UPDATE.APP the size of about 1kb. Take this UPDATE.APP , put it in the dload folder you have created on the root of your SD card and upgrade offline like you would any ROM( either use the switch off and hold 2 buttons method or simply go to {on ICS} Storage>software Upgrade>sd card Upgrade and follow the process). it shouldn't take more than 2 minutes.

NOTE:
1. PLS BACKUP BEFORE DOING THIS
1. If you have CWM or any recovery, installing the VENDOR files would wipe it off (I think your SU might still live though)
2. Also, I'm not to sure but their was a time I managed to get myself re-network locked while doing this or something similar. Anyway if this does happen to you be not afraid :) as long as you have made your 5irom backup of your unlocked IMEI (after you completed the process succesfully initially) just install the 5irom app again and restore the unlocked IMEI (this save a whole lot of time as you don't have to do the whole DFS thing again).
3. My instructions are a bit hazy as I did this more than a month ago on my phone but tried it recently on my cousins phone without looking at a guide - so forgive me in advance. But it should work, though like I said PLS BACKUP FIRST.

Any problems let me know, as I'm still checking this thread looking for a fix on the corrupt serial number issue one gets when one tries this method.

@ THE GUY WHO CAN'T UNLOCK HIS QUALCOMM

Your IMEI is not "0" and thats the reason why it won't work. IIRC your qualcom pass is only 0 when you 0 the IMEI, once your IMEI is anything other than 0, your qualcom pass wont be 0 (if I'm right, thats the main reason you need to 0 the IMEI to get DFS to work). I had the problem too when I spent my first 2 days trying to unlock using this method. Take your time, read everyones post on this thread carefully and to all NEWBIES read this guide carefully- it really kicks ass and has everything you need to know

http://www.modaco.co...with-downloads/

Hi mates. 

 

So, this VENDOR file is the so called "middle update"? Isn't it? If so, I've been looking for this info for aeons :') Those thingies are then, only reachable after the phone's company releases it? I'm so damned screwed... They won't in a million years I guess.

 

Thanks for the clarification man.


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#166
george109

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Yeah, this guide really kicks ass. It only breaks wifi and Bluetooth
Oh yeah, and messes up your IMEI... (AFAIK)

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Hello. I have an S4 now, and I hardly ever use MoDaCo now. 

Therefore you will receive no replies to any PMs

Please post in the forum instead. You will get more help there :)

:excl:A WARNING TO ALL G300 OWNERS! Please Read! (The Flash Memory Problem!) :excl:

Tutorial: How To (Officially) Unlock Your Bootloader! (The long way, but which definitely works)

Please, Do not use the HuaweiG300.com Tutorial on how to unlock your bootloader, it is better to unlock it officially with my tutorial!

Spoiler

My Device:

Huawei Ascend G300 (U8815) - Sold!

Samsung Galaxy S4 (Black) - The LTE Version - GT-I9505

(Ignore the links above (if there is one). It's a skimwords (advertising) link and nothing to do with me!)

The ROMS I have used:

Spoiler

Download Blink, a great app that controls the status LED on the G300!

Wait for 5 seconds and then click skip ad! Do not download anything in the ad window, that is not the app!

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