Yada firmware yuklemeden başka bir yol varmı ?
morelocale2 falan da denedim ama oradada turkçe dil yok.
Root atmaya çalıştım ama şuradaki gibi
http://gs5.wonderhowto.com/how-to/root-any-samsung-galaxy-s5-variant-even-at-t-verizon-20-seconds-flat-0155617/ (http://gs5.wonderhowto.com/how-to/root-any-samsung-galaxy-s5-variant-even-at-t-verizon-20-seconds-flat-0155617/)
buradada toweroot diyorki " the phone isnt curretly supported " .
Model: SM-G900A
Model name: GALAXY S5
Country: USA (AT&T)
Version: Android 4.4.2
Changelist: 964333
Build date: Fri, 14 Mar 2014 04:15:55 +0000
Product Code: ATT
PDA: G900AUCU1ANCE
CSC: G900AATT1ANCE
MODEM: G900AUCU1ANCE
-----------------------------
bendeki :
G900AUCU2ANG3