Free, direct downloads of official stock firmware for the Samsung Galaxy A15 (model code SM-A155N) in the KOO region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy A15 (SM-A155N) — KOO
Released 2023, December 16
200g, 8.4mm thickness
Android 14, up to 4 major upgrades
128GB/256GB storage, microSDXC, card slot
Samsung Galaxy A15 Released 2023, December 16 | 200g, 8.4mm thickness | Android 14, up to 4 major upgrades | 128GB/256GB storage, microSDXC | Super AMOLED, 90Hz, 800 nits (HBM) | 50 MP, f/1.8, 26mm (wide), 1/2.8", 0.64µm, PDAF
5 MP, f/2.2, 17mm (ultrawide), 1/5.0", 1.12µm
2 MP (macro) | 5000 mAh
Samsung Galaxy A15 Network Specifications
Detailed Network specifications for the Samsung Galaxy A15:
Speed
HSPA, LTE
4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
3G
HSDPA 850 / 900 / 2100
2G
GSM 850 / 900 / 1800 / 1900
Technology
GSM / HSPA / LTE
Timeline
Released2023, December 16
Samsung Galaxy A15 body Specifications
Detailed body specifications for the Samsung Galaxy A15:
SIM
· Nano-SIM
· Nano-SIM + Nano-SIM
Build
Glass front, plastic back, plastic frame
Weight
200 g (7.05 oz)
Dimensions
160.1 x 76.8 x 8.4 mm (6.30 x 3.02 x 0.33 in)
Samsung Galaxy A15 MISC Specifications
Detailed MISC specifications for the Samsung Galaxy A15:
A CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The KOO code is used in South Korea by KOO, with 3 distinct Samsung Galaxy A15 firmware versions found so far.
3 Samsung Galaxy A15 firmware versions found for the KOO region, newest first.
Samsung Galaxy A15 KOO Firmware Archive
Official Samsung Galaxy A15 firmware for the South Korea KOO region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy A15 Combination & Special Files
Combination and service files for the Samsung Galaxy A15 (SM-A155N) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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KOO Firmware FAQ
Which carriers use the KOO CSC on the Samsung Galaxy A15?+
The KOO CSC is used by KOO in South Korea. Flash the KOO firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A15 firmware versions are available for the KOO region?+
3 distinct Samsung Galaxy A15 firmware versions have been found for the KOO (South Korea) region so far, from oldest to the latest build.
How is the KOO CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. KOO is the code for South Korea (KOO) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy A15 (SM-A155N) — KOO
KOO - South Korea
Samsung Galaxy A15 KOO Firmware Archive
Samsung Galaxy A15 Combination & Special Files