What is a bootloader and how do I upgrade one?

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kuromusha38

Senior Member
Feb 16, 2014
655
88
Sydney
Hi guys

I bought the Note 3, I'm trying to put TWRP recovery on. But there is a note saying

Use the 4.3 version of TWRP if you have never upgraded kitkat bootloader. Otherwise make sure you use the 4.4 version. These versions of TWRP have different DTBs and will fail to boot if you do not match your bootloader.​

So, how do I know if I have which bootloader?
 

vndnguyen

Senior Member
Sep 11, 2009
4,252
1,920
Vinnitsa
So, how do I know if I have which bootloader?

Use Phone INFO ★Samsung★ app, in the FIRMWARE INFO section.

jHN3dpMgnB2Gb7ij_TVw5IjqYt-JiD30k9J9fa7tYhdmoF97KAnd7mSv1T353pvmKflw=h900
 

kuromusha38

Senior Member
Feb 16, 2014
655
88
Sydney
Screenshot_2014-09-28-13-04-301_zpsa402c124.png


Can you check if I have the correct bootloader installed?

I can not make any phone calls at the moment, I get "com.android.phone as stopped" error. Is something wrong with the bootloader, or kernel or the rom or something else?

Please help me. I can not call or receive any calls, I miss talking to my mom.