News
Reviews
Opinions
Mobile
TV & Audio
Appliances
SW & Apps
Firmware
Login or Join
Search
Follow us on social media
BEST PICKS BY OUR SAMSUNG EXPERTS
Best Samsung Galaxy Earbuds in 2026
Best Samsung Galaxy Phones in 2026
Best Samsung Watch in 2026
Best Samsung Galaxy Tablets in 2026
Best cheap Android phones 2026 by Samsung
HOT RIGHT NOW
Galaxy Z Flip 8
Galaxy Z Fold 8
Galaxy Z Fold 8 Ultra
Galaxy S26 Ultra
Galaxy A56
Galaxy A36
Galaxy Z Flip FE
Galaxy Ring 2
Galaxy Watch 8
Order the King of Android!
Latest reviews
Samsung Galaxy Z Fold 8 Ultra review
Samsung Galaxy Z Fold 8 review
Samsung Galaxy Watch Ultra 2 review
Samsung Galaxy A57 review
Samsung Galaxy S26 review
Samsung Galaxy Buds 4 Pro review
Samsung Galaxy S26 Ultra review
Samsung Galaxy Z TriFold review
Samsung Galaxy XR review
Feel the power of Galaxy AI in the palm of your hands!
BEST PICKS BY OUR SAMSUNG EXPERTS
Best TV in 2026
Best Samsung OLED TV in 2026
Best Samsung QLED TV in 2026
Best Samsung Frame TV in 2026
HOT RIGHT NOW
Samsung S95H QD-OLED TV (2026)
Samsung S95F QD OLED TV (2025)
Samsung S90H QD-OLED TV (2026)
The Frame Pro LS03FW TV (2025)
Samsung QN900F Neo QLED TV (2025)
Samsung QN990F Neo QLED TV (2025)
TV
What is a QLED TV?
What is a QD-OLED TV?
What is a MicroLED TV?
QLED vs QD-OLED vs Micro LED
Mihai Matei
Explaining Samsung's QD-Display technology
Trending
One UI
One UI 8.5
One UI 9
Will my device get One UI 9?
Galaxy AI
Galaxy AI vs. Awesome Intelligence
One UI 9.5
One UI 10
Everything about the latest version of One UI
Trending
One UI 8.5
Samsung R95H Micro RGB TV
Galaxy Z Fold 8
Galaxy Z Fold 8 Wide
Galaxy S26 Ultra
One UI 9.0
Samsung S95H OLED-TV
Samsung The Frame TV (2026)
Samsung Galaxy AI vs. Apple Intelligence
Content summarization & writing assistance
Image editing
Image generation
Voice transcription
Language translation
Photo and video search
Notes organization
Your all-in-one post!
BEST PICKS BY OUR SAMSUNG EXPERTS
Best Samsung vacuum cleaners in 2025
hot right now
Jet Stick
Jet Stick 75
Bespoke Jet AI
Bespoke AI Jet Ultra
Bespoke Jet Bot Combo
Bespoke AI Jet Lite
vacuum cleaners
Bespoke Jet Bot vacuum with and without AI, what's the difference?
Be aware: Samsung's AI Jet Ultra vacuum is not the same everywhere
Samsung vacuum power explained: Know this before you buy
Bespoke AI Jet Ultra
Latest opinions
Apple sets the pace, but Samsung drives the heartbeat
The two problems Samsung's FE branding causes for both average consumers and fans
I love my Galaxy Z Fold 8 so much I worry about ever having to go back
One of my favorite Galaxy Z Fold 8 features reminds me of old folding clocks
Samsung's smartglasses promise privacy but won't escape this legal minefield
Maybe Samsung isn't the problem, maybe bar phone design has simply peaked
Hot take, but I wish my Galaxy Z Fold 8 had one fewer selfie camera
Samsung wants iPhone users to feel at home on Galaxy
Dear Samsung, it's time to reclaim your iconic camera island
News
Trending
One UI 8.5
Samsung R95H Micro RGB TV
Galaxy Z Fold 8
Galaxy Z Fold 8 Wide
Galaxy S26 Ultra
One UI 9.0
Samsung S95H OLED-TV
Samsung The Frame TV (2026)
Samsung Galaxy AI vs. Apple Intelligence
Content summarization & writing assistance
Image editing
Image generation
Voice transcription
Language translation
Photo and video search
Notes organization
Reviews
Latest reviews
Samsung Galaxy Z Fold 8 Ultra review
Samsung Galaxy Z Fold 8 review
Samsung Galaxy Watch Ultra 2 review
Samsung Galaxy A57 review
Samsung Galaxy S26 review
Samsung Galaxy Buds 4 Pro review
Samsung Galaxy S26 Ultra review
Samsung Galaxy Z TriFold review
Samsung Galaxy XR review
Opinions
Latest opinions
Apple sets the pace, but Samsung drives the heartbeat
The two problems Samsung's FE branding causes for both average consumers and fans
I love my Galaxy Z Fold 8 so much I worry about ever having to go back
One of my favorite Galaxy Z Fold 8 features reminds me of old folding clocks
Samsung's smartglasses promise privacy but won't escape this legal minefield
Maybe Samsung isn't the problem, maybe bar phone design has simply peaked
Hot take, but I wish my Galaxy Z Fold 8 had one fewer selfie camera
Samsung wants iPhone users to feel at home on Galaxy
Dear Samsung, it's time to reclaim your iconic camera island
Mobile
BEST PICKS BY OUR SAMSUNG EXPERTS
Best Samsung Galaxy Earbuds in 2026
Best Samsung Galaxy Phones in 2026
Best Samsung Watch in 2026
Best Samsung Galaxy Tablets in 2026
Best cheap Android phones 2026 by Samsung
HOT RIGHT NOW
Galaxy Z Flip 8
Galaxy Z Fold 8
Galaxy Z Fold 8 Ultra
Galaxy S26 Ultra
Galaxy A56
Galaxy A36
Galaxy Z Flip FE
Galaxy Ring 2
Galaxy Watch 8
TV & Audio
BEST PICKS BY OUR SAMSUNG EXPERTS
Best TV in 2026
Best Samsung OLED TV in 2026
Best Samsung QLED TV in 2026
Best Samsung Frame TV in 2026
HOT RIGHT NOW
Samsung S95H QD-OLED TV (2026)
Samsung S95F QD OLED TV (2025)
Samsung S90H QD-OLED TV (2026)
The Frame Pro LS03FW TV (2025)
Samsung QN900F Neo QLED TV (2025)
Samsung QN990F Neo QLED TV (2025)
TV
What is a QLED TV?
What is a QD-OLED TV?
What is a MicroLED TV?
QLED vs QD-OLED vs Micro LED
Appliances
BEST PICKS BY OUR SAMSUNG EXPERTS
Best Samsung vacuum cleaners in 2025
hot right now
Jet Stick
Jet Stick 75
Bespoke Jet AI
Bespoke AI Jet Ultra
Bespoke Jet Bot Combo
Bespoke AI Jet Lite
vacuum cleaners
Bespoke Jet Bot vacuum with and without AI, what's the difference?
Be aware: Samsung's AI Jet Ultra vacuum is not the same everywhere
Samsung vacuum power explained: Know this before you buy
SW & Apps
Trending
One UI
One UI 8.5
One UI 9
Will my device get One UI 9?
Galaxy AI
Galaxy AI vs. Awesome Intelligence
One UI 9.5
One UI 10
Firmware
Follow us on social media
Login or Join
Samsung Galaxy S III (GT-I9300) - CTI - I9300UBBLG5 firmware
Country
Afghanistan (AFG)
Algeria (TMC)
Argentina (ANC)
Argentina (ARO)
Argentina (Claro) (CTI)
Argentina (Movistar) (UFN)
Argentina (Personal) (PSN)
Australia (XSA)
Australia (Optus) (OPS)
Austria (3 Hutchison) (DRE)
Austria (A1) (MOB)
Austria (Orange) (ONE)
Austria (T-Mobile) (MAX)
Austria (Telering) (TRG)
Baltic (SEB)
Bangladesh (TML)
Belgium (Proximus) (PRO)
Bosnia and Herzegovina (ERO)
Bosnia and Herzegovina (BH TELECOM) (BHT)
Brazil (ZTO)
Brazil (Claro) (ZTA)
Brazil (Oi) (ZTR)
Brazil (TIM) (ZTM)
Brazil (VIVO) (ZVV)
Bulgaria (BGL)
Bulgaria (GBL)
Bulgaria (MTL) (MTL)
Bulgaria (VVT) (VVT)
Chile (CRC)
Chile (CHO)
Chile (Claro) (CHL)
Chile (Entel PCS) (CHE)
Chile (Telefonica) (CHT)
China (CHN)
China (China Unicom) (CHU)
Colombia (COL)
Colombia (Comcel) (COM)
Colombia (Movistar) (COB)
Costa Rica (ICE)
Croatia (TRA)
Croatia (T-Mobile) (CRO)
Croatia (TELE2) (TWO)
Croatia (VIPNET) (VIP)
Cyprus (CYV)
Cyprus (Cytamobile Vodafone) (CYO)
Czech Republic (XEZ)
Czech Republic (O2C) (O2C)
Czech Republic (T-Mobile) (TMZ)
Czech Republic (Vodafone) (VDC)
Denmark (3) (HTD)
Dominican Republic (CDR)
Dominican Republic (Orange) (DOR)
Ecuador (EBE)
Ecuador (ECO)
Ecuador (Alegro) (ALE)
Egypt (EGY)
France (VGF)
France (XEF)
France (Bouygues) (BOG)
France (NRJ) (NRJ)
France (Orange) (FTM)
France (SFR) (SFR)
Germany (DBT)
Germany (MBC)
Germany (1&1) (XEG)
Germany (E-Plus) (EPL)
Germany (O2) (VIA)
Germany (T-Mobile) (DTM)
Germany (Vodafone) (VD2)
Greece (EUR)
Greece (Cosmote) (COS)
Greece (Vodafone) (VGR)
Guatemala (PGU)
Guatemala (TGU)
Guatemala (Tigo) (CGU)
Hong Kong (TGY)
Hungary (XEH)
Hungary (T-mobile) (TMH)
Hungary (Telenor) (PAN)
Hungary (VDH) (VDH)
India (INU)
India (INS)
Indonesia (XSE)
Iran (THR)
Iraq (MID)
Ireland (TSI)
Ireland (Meteor) (MET)
Ireland (O2) (O2I)
Ireland (Three) (3IE)
Ireland (Vodafone) (VDI)
Israel (ILO)
Israel (Cellcom) (CEL)
Israel (Mirs) (MIR)
Israel (Orange/Partner) (PTR)
Israel (Pelephone) (PCL)
Italy (ITV)
Italy (H3G) (HUI)
Italy (TIM) (TIM)
Italy (Vodafone) (OMN)
Italy (Wind) (WIN)
Jamaica (JDI)
Kazakhstan (SKZ)
Kazakhstan (Kcell) (KCL)
Kenya (AFR)
Kenya (KEN)
Libya (BTC)
Luxembourg (LUX)
Macedonia (VIM)
Macedonia (T-Mobile) (MBM)
Malaysia (XME)
Mauritania (MRT)
Mexico (IUS)
Mexico (Movistar) (TMM)
Mexico (Telcel) (TCE)
Montenegro (TMT)
Montenegro (TEM)
Morocco (FWD)
Morocco (MAT) (MAT)
Morocco (MED) (MED)
Morocco (MWD) (MWD)
Nepal (NPL)
Netherlands (PHN)
Netherlands (T-Mobile) (TNL)
Netherlands (Vodafone) (VDF)
New Zealand (NZC)
New Zealand (Vodafone) (VNZ)
Nigeria (ECT)
Nordic countries (NEE)
Norway (Telenor) (TEN)
Open Austria (ATO)
Pakistan (PAK) (PAK)
Panama (TPA)
Panama (PBS)
Panama (Cable & Wireless) (PCW)
Panama (Claro) (CPA)
Papua New Guinea (PNG)
Paraguay (UPO)
Paraguay (Claro) (CTP)
Peru (PEO)
Peru (PET)
Peru (SAM) (SAM)
Philippines (Globe) (GLB)
Philippines (Open Line) (XTC)
Philippines (Smart) (SMA)
Philippines (Sun Cellular) (XTE)
Poland (XEO)
Poland (Orange) (IDE)
Poland (PLUS) (PLS)
Poland (Play) (PRT)
Poland (T-mobile) (TPL)
Portugal (Optimus) (OPT)
Portugal (TMN) (TMN)
Portugal (TPH) (TPH)
Portugal (Vodafone) (TCL)
Puerto Rico (PCT)
Romania (ROM)
Romania (Cosmote) (COA)
Romania (Orange) (ORO)
Romania (Vodafone) (CNX)
Russia (SER)
Russia (SVZ)
Russia (MegaFon) (MGF)
Saudi Arabia (WTL)
Saudi Arabia (KSA)
Saudi Arabia (JED) (JED)
Serbia (Telekom) (TSR)
Serbia (Telenor) (MSR)
Serbia (VIP) (TOP)
Singapore (XSP)
Singapore (MM1)
Singapore (SingTel) (SIN)
Singapore (StarHub) (STH)
Slovakia (ORS)
Slovakia (TMS)
Slovenia (Mobitel) (MOT)
Slovenia (Si.mobil) (SIM)
South Africa (XFE)
South Africa (XFA)
South Africa (Vodafone) (XFV)
South America (Moviestar) (CRM)
South East Europe (SEE)
Spain (PHE)
Spain (Movistar) (XEC)
Spain (Orange) (AMN)
Spain (Vodafone) (ATL)
Spain (Yoigo) (Black Edition) (YOG)
Sri Lanka (SLK)
Sweden (VDS)
Sweden (Tre) (HTS)
Switzerland (AUT)
Switzerland (Orange) (AUO)
Switzerland (Swisscom) (SWC)
Taiwan (BRI)
Taiwan (WAN) (WAN)
Thailand (THL)
Trinidad and Tobago (EON)
Trinidad and Tobago (TTT)
Tunisia (TUN)
Tunisia (ABS)
Turkey (TUR)
Ukraine (RTL)
Ukraine (Kyivstar) (SEK)
United Arab Emirates (LYS)
United Arab Emirates (UAE) (XSG)
United Kingdom (BTU)
United Kingdom (EE) (EVR)
United Kingdom (H3G) (H3G)
United Kingdom (O2) (O2U)
United Kingdom (Orange) (ORA)
United Kingdom (T-Mobile) (TMU)
United Kingdom (Vodafone) (VOD)
Unknown (MST)
Uruguay (UFU)
Uruguay (Claro) (CTU)
Uzbekistan (UCL)
Uzbekistan (UBL)
Uzbekistan (CAC)
Venezuela (DGT)
Venezuela (MVL)
Venezuela (VMT)
Vietnam (XEV)
Vietnam (XXV)
Model
GT-I9300
Product Code
CTI
Security Patch
OS Version
Android
PDA
I9300UBBLG5
CSC
I9300UVCBLG3
Build Date
N/A
Changelist
0
Join to Download
Fast download
Advertisement
Flash instructions
Download Odin
5 files help
1 file help
Apple sets the pace, but Samsung drives the heartbeat
The two problems Samsung's FE branding causes for both average consumers and fans
I love my Galaxy Z Fold 8 so much I worry about ever having to go back
One of my favorite Galaxy Z Fold 8 features reminds me of old folding clocks
Samsung's smartglasses promise privacy but won't escape this legal minefield
Maybe Samsung isn't the problem, maybe bar phone design has simply peaked
Hot take, but I wish my Galaxy Z Fold 8 had one fewer selfie camera
Samsung wants iPhone users to feel at home on Galaxy
Dear Samsung, it's time to reclaim your iconic camera island
