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SM-M556B/Galaxy M55 5G SM-M556B specifications Expand
Released 2024, March 28
180g, 7.8mm thickness
Android 14, One UI 6.1
128GB/256GB storage, microSDXC

SM-M556B/Galaxy M55 5G was announced at 2024, March 28 with Android 14, One UI 6.1, have chipset Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm) CPU Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510) and GPU Adreno 644. It have 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM storage and there are colors: Dark Blue, Light Green

NETWORK
Technology
GSM / HSPA / LTE / 5G
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed
HSPA, LTE, 5G
TIMELINE
Announced
2024, March 28
Released
Released 2024, March 28
BODY
Dimensions
163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
Weight
180 g (6.35 oz)
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
DISPLAY
Type
Super AMOLED+, 120Hz, 1000 nits (HBM)
Size
6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Always-on display
PLATFORM
OS
Android 14, One UI 6.1
Chipset
Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU
Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU
Adreno 644
MEMORY
Card slot
microSDXC (uses shared SIM slot)
Internal
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
MAIN CAMERA
Camera
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS
8 MP, f/2.2, 123˚ (ultrawide)
2 MP, f/2.4, (macro)
Features
LED flash, panorama, HDR
Video
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
FRONT CAMERA
Camera
50 MP, f/2.4, (wide)
Video
4K@30fps, 1080p@30/60fps
SOUND
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
COMMUNICATES
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
GPS
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes (market/region dependent)
Radio
No
USB
USB Type-C 2.0, OTG
FEATURES
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
BATTERY
Battery
5000 mAh, non-removable
Charging
45W wired
MISC
Colors
Dark Blue, Light Green
SAR US
0.93 W/kg (head)    
SAR EU
0.96 W/kg (head)     0.98 W/kg (body)    
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Specs source: gsmarena.com
Disclaimer. We can not guarantee that the information on this page is 100% correct

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Filter firmware

Samsung firmware SM-M556B/Galaxy M55 5G SM-M556B 50

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
SM-M556B/Galaxy M55 5G CHO M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G MXD M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G PEO M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G TPA M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G ZTO M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G COO M556BXXS4AXK6 4  2024-11-01  Full Files U(Android 14) 20241126042740
SM-M556B/Galaxy M55 5G BNG M556BXXS4AXK5 4  Full Files U(Android 14) 20241120100520
SM-M556B/Galaxy M55 5G INS M556BXXS4AXK5 4  Full Files U(Android 14) 20241120100520
SM-M556B/Galaxy M55 5G NPB M556BXXS4AXK5 4  Full Files U(Android 14) 20241120100520
SM-M556B/Galaxy M55 5G SLK M556BXXS4AXK5 4  Full Files U(Android 14) 20241120100520
SM-M556B/Galaxy M55 5G EGY M556BXXS4AXK5 4  2024-11-01  Full Files U(Android 14) 20241121110810
SM-M556B/Galaxy M55 5G ILO M556BXXS4AXK5 4  2024-11-01  Full Files U(Android 14) 20241121110810
SM-M556B/Galaxy M55 5G ILP M556BXXS4AXK5 4  2024-11-01  Full Files U(Android 14) 20241121110810
SM-M556B/Galaxy M55 5G MID M556BXXS4AXK5 4  2024-11-01  Full Files U(Android 14) 20241121110810
SM-M556B/Galaxy M55 5G XXV M556BXXS4AXK5 4  Full Files U(Android 14) 20241121114611
SM-M556B/Galaxy M55 5G CHO M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G MXD M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G PEO M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G TPA M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G ZTO M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G COO M556BXXU3AXJD 3  2024-10-01  Full Files U(Android 14) 20241109055940
SM-M556B/Galaxy M55 5G COO M556BXXS3AXJC 3  2024-09-01  Full Files U(Android 14) 20241106224610
SM-M556B/Galaxy M55 5G TPA M556BXXS3AXJB 3  2024-09-01  Full Files U(Android 14) 20241106223520
SM-M556B/Galaxy M55 5G BNG M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031092310
SM-M556B/Galaxy M55 5G INS M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031092310
SM-M556B/Galaxy M55 5G NPB M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031092310
SM-M556B/Galaxy M55 5G SLK M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031092310
SM-M556B/Galaxy M55 5G EGY M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031184911
SM-M556B/Galaxy M55 5G ILO M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031184911
SM-M556B/Galaxy M55 5G ILP M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031184911
SM-M556B/Galaxy M55 5G MID M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241031184911
SM-M556B/Galaxy M55 5G XXV M556BXXU3AXJA 3  2024-10-01  Full Files U(Android 14) 20241101125410
SM-M556B/Galaxy M55 5G EGY M556BXXS3AXJ6 3  2024-09-01  Full Files U(Android 14) 20241014195130
SM-M556B/Galaxy M55 5G ILO M556BXXS3AXJ6 3  2024-09-01  Full Files U(Android 14) 20241014195130
SM-M556B/Galaxy M55 5G ILP M556BXXS3AXJ6 3  2024-09-01  Full Files U(Android 14) 20241014195130
SM-M556B/Galaxy M55 5G MID M556BXXS3AXJ6 3  2024-09-01  Full Files U(Android 14) 20241014195130
SM-M556B/Galaxy M55 5G XXV M556BXXS3AXJ6 3  2024-09-01  Full Files U(Android 14) 20241014221411
SM-M556B/Galaxy M55 5G BNG M556BXXS3AXJ3 3  2024-09-01  Full Files U(Android 14) 20241014133120
SM-M556B/Galaxy M55 5G INS M556BXXS3AXJ3 3  2024-09-01  Full Files U(Android 14) 20241014133120
SM-M556B/Galaxy M55 5G NPB M556BXXS3AXJ3 3  2024-09-01  Full Files U(Android 14) 20241014133120
SM-M556B/Galaxy M55 5G SLK M556BXXS3AXJ3 3  2024-09-01  Full Files U(Android 14) 20241014133120
SM-M556B/Galaxy M55 5G MXD M556BXXS3AXJ2 3  2024-09-01  Full Files U(Android 14) 20241025000820
SM-M556B/Galaxy M55 5G PEO M556BXXS3AXJ2 3  2024-09-01  Full Files U(Android 14) 20241025000820
SM-M556B/Galaxy M55 5G ZTO M556BXXS3AXJ2 3  2024-09-01  Full Files U(Android 14) 20241025000820
SM-M556B/Galaxy M55 5G CHO M556BXXS3AXJ2 3  2024-09-01  Full Files U(Android 14) 20241025000820
SM-M556B/Galaxy M55 5G CHO M556BXXS3AXH1 3  2024-08-01  Full Files U(Android 14) 20240817055400
SM-M556B/Galaxy M55 5G MXD M556BXXS3AXH1 3  2024-08-01  Full Files U(Android 14) 20240817055400
SM-M556B/Galaxy M55 5G PEO M556BXXS3AXH1 3  2024-08-01  Full Files U(Android 14) 20240817055400
SM-M556B/Galaxy M55 5G ZTO M556BXXS3AXH1 3  2024-08-01  Full Files U(Android 14) 20240817055400
SM-M556B/Galaxy M55 5G BKD M556BXXU1AXD7 1  2024-04-01  Full Files U(Android 14) 20240422102710
Lastest combinations SM-M556B/Galaxy M55 5G SM-M556B

We are working hard to figure it out

You can request or contribute combination for this model to Telegram group

 How to flash Samsung SM-M556B/Galaxy M55 5G SM-M556B firmware

1. Extract (unzip) the Samsung firmware file. Recommended using WinRAR or 7-Zip

2. Download Odin Tool 3.13.1

3. Extract Odin ZIP file

4. Open Odin execute file

5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)

6. Connect you Samsung phone and wait until you get a blue sign in Odin

7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots

8. Make sure re-partition is NOT ticked

9. Click the START button, sit back and wait few minutes

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