For those who has IMEI problems, please CLICK HERE!!
What to know before you start flashing radio?
Quote:
1. Back up your EFS folder. Click here for the method of backup.
2. Check your phone MODEL (I9020A, I9020T & I9023).
3. Flash the CORRECT RADIO according to your phone model.
4. OPTIONAL After download the radio file, check your downloaded file md5 sum. Click here for the md5 sum
5. After flashing, check your radio baseband at Setting > About Phone > Baseband.
1, Reboot into recovery,
2, Select "select zip from SD card"
3, Locate where your radio file is
4, Select it and "yes"
5, Wait for it to reboot and you're done!
Method 2 (FASTBOOT + ADB):
(FOR WINDOWS Operation System only, NOT FOR MAC OS)
Part 1
1, Download Radio Flash (Fastboot&ADB).zip
2, Extract the folder to Desktop.
3, Open the extracted flash folder. Part 2
1, Download the radio.zip file you would like to flash from the link above/attachment below.
2, Extract it to Desktop.
3, Copy the "radio.img" file from the folder and paste it into the Radio Flash Folder you had extracted in PART 1. Part 3
1, Connect your Nexus S to computer (USB Debugging turn on, SD card mount turn off)
2, Double left click the "START HERE.bat" and command prompt window will open/run.
3, Type: "adb reboot bootloader". (The adb reboot bootloader will take the device directly to fastboot) OR boot the phone to bootloader by pressing the volume up key with power key at the same time.
4, Once your phone has rebooted in to bootloader screen, type "fastboot devices" to ensure your device is detected.
5, After confirm your device is detected with serial number, type "fastboot flash radio radio.img".
6, Once its done, type "fastboot reboot".
7, You're good to go
Method 3 (ROM MANAGER): (Not recommended , but still if method 2 and 3 cant work, use this AT YOUR OWN RISK)
1, Install Rom Manager from Market.
2, Open Rom Manager and select "Install rom from SD".
3, Locate the file where you put the Radio file downloaded.
4, Flash it with Dalvik Cache wipe (Data and Cache wipe NOT required)
5, Enjoy it
HSDPA Tweak (Higher/Faster Data Connection Speed)
Quote:
Method 1 (Via Root Explorer):
Code:
1, Open "Root Explorer" and mount R/W.
2, Go to "system" and you will find there is a file name "build.prop".
3, Right click (By holding at the file) and there is menu pop out.
4, Scroll down and select edit in Text Editor.
5, Type in those few line of words below into the last line of the text.
ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hsdpa.category=16
ro.ril.hsupa.category=8
6, Save the file and reboot your phone TWICE.
Method 2 (Via ADB and USB debugging):
Code:
Part 1
1, Download the Radio Flash (Fastboot&ADB).zip from above.
2, Extract the folder to Desktop.
3, Open the extracted flash folder.
Part 2
1, Connect your Nexus S to computer (USB Debugging turn on, SD card mount turn off)
2, Double left click the "START HERE.bat" and command prompt window will open/run.
3, Type: "adb pull /system/build.prop" and DO NOT close the command prompt.
4, In that folder, you will now see a file name "build.prop"
5, Open with notepad/text editor and add in these lined of code. (Copy and paste)
ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hsdpa.category=16
ro.ril.hsupa.category=8
6, Then save the file.
7, Type in "adb remount" in the command prompt.
8, Type in "adb push build.prop /system/build.prop" in the command prompt.
9, Reboot your phone TWICE and it should be good to go.
For those who want to know what those lines means, click here
FAQ Click the word "FAQ" above to go to FAQ section.
Disclaimer: I assume you will have the knowledge regarding Rado (Baseband) to flash this radio update, I shall not be liable for anything that happen to your phone, including the procedure and method.
Everything was tested on my phone, not every phone is the same
1. Download this MD5 Sum Checker
2. Extract it to desktop.
3. Open the md5.exe
4. Copy the md5 sum at below and go back to the md5.exe
5. Click "browse" and select your downloaded file.
6. Check complete
Legend:
The 1st MD5 sum is for the ZIP file of the radio.
The 2nd MD5 sum below the word "RADIO" is for the radio.img inside the zip file.
1. Go to Dialer. Dial *#*#4636#*#*
2. Go to Phone information. Choose the preferred network to
"GSM Auto PRL" or "CDMA Auto PRL" or whatever you have.
3. Scroll down, deactivate and activate Phone Radio.
4. Press Menu button.
5. Select Phone frequency, then choose your country.
6. In the previous menu push the Home button to go back to Homescreen.
7. Reboot.
(By Brainmaster)
1. Use "Root Explorer" and navigate to /efs directory
2. Mount "R/W"
3. Cut these three files nv_data.bin , nv_data.bin.md5 and nv.log
4. Paste it at the ROOT of the SD Card.
5. Reboot your phone and you will have your 3G connection back.
(By alexwbaule)
"Remembers the day when blackberry and apple were just fruit."
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[RADIO/GUIDE/TWEAK]Radio JK1,JK8,KB1,KB2,KB3,KD1,KF1 & UCKD1,KE1,KF1 with HSPDA Tweak
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[RADIO/GUIDE/TWEAK]Radio JK1,JK8,KB1,KB2,KB3,KD1,KF1 & UCKD1,KE1,KF1 with HSPDA Tweak
What to know before you start flashing radio?
Want to have higher 3G speed connection? Use 
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