Online
Method 1
Make sure you are connected to Internet
First Get Your Galaxy up and running, charged and ready
Insert Working\ SIM card in phone
Navigate to Settings of your Phone
Scroll down to reach the extreme bottom
Select Software Update
Wait for it to reboot and complete the update
Finished!
Method 2
when you get phone for repair issue "not registered on network/No Service" problem .First Check these
1 Null IMEI Number/unknown
2 No Service
3 Unknown Baseband
4 Outdated Firmware
5 Radio is off
6 Blacklist in your Country
You can check your IMEI number by dialling * # 0 6 # , you will see 0000 or nulled if it's corrupted.
If you have an Unknown baseband then i suggest your to backup and restore your EFS Folder.This folder contains all the information about your phone.
Simply go to settings , then go to about, then hit the update button.This will update you to an higher OS version
If your radio is off , dial #*#4636#*# . Then click Phone Information.Run a quick Ping. After, Turn Radio OFF/ON
Make sure you are connected to Internet
First Get Your Galaxy up and running, charged and ready
Insert Working\ SIM card in phone
Navigate to Settings of your Phone
Scroll down to reach the extreme bottom
Select Software Update
Wait for it to reboot and complete the update
Finished!
Method 2
when you get phone for repair issue "not registered on network/No Service" problem .First Check these
1 Null IMEI Number/unknown
2 No Service
3 Unknown Baseband
4 Outdated Firmware
5 Radio is off
6 Blacklist in your Country
You can check your IMEI number by dialling * # 0 6 # , you will see 0000 or nulled if it's corrupted.
If you have an Unknown baseband then i suggest your to backup and restore your EFS Folder.This folder contains all the information about your phone.
Simply go to settings , then go to about, then hit the update button.This will update you to an higher OS version
If your radio is off , dial #*#4636#*# . Then click Phone Information.Run a quick Ping. After, Turn Radio OFF/ON