Free, direct downloads of official stock firmware for the Samsung Galaxy A30s (model code SM-A307GT) in the ZTO region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy A30s (SM-A307GT) — ZTO
Released 2019, September 11
169g, 7.8mm thickness
Android 9.0, up to Android 11, One UI 3.1
32GB/64GB/128GB storage, microSDXC, card slot
Samsung Galaxy A30s Released 2019, September 11 | 169g, 7.8mm thickness | Android 9.0, up to Android 11, One UI 3.1 | 32GB/64GB/128GB storage, microSDXC | Super AMOLED | 25 MP, f/1.7, 27mm (wide), PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
Auxiliary lens | Li-Po 4000 mAh, non-removable
Samsung Galaxy A30s Network Specifications
Detailed Network specifications for the Samsung Galaxy A30s:
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 ZTO code is used in Brazil by TIM, Claro, Vivo, Oi, Sercomtel, CTBC, Nextel, with one Samsung Galaxy A30s firmware version known so far.
Samsung Galaxy A30s ZTO Firmware Archive
Official Samsung Galaxy A30s firmware for the Brazil ZTO region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy A30s Combination & Special Files
Combination and service files for the Samsung Galaxy A30s (SM-A307GT) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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ZTO Firmware FAQ
Which carriers use the ZTO CSC on the Samsung Galaxy A30s?+
The ZTO CSC is used by TIM, Claro, Vivo, Oi, Sercomtel, CTBC, and Nextel in Brazil. Flash the ZTO firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A30s firmware versions are available for the ZTO region?+
Currently one known Samsung Galaxy A30s firmware version is available for the ZTO (Brazil) region.
How is the ZTO 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. ZTO is the code for Brazil (TIM, Claro, Vivo, Oi, Sercomtel, CTBC, and Nextel) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy A30s (SM-A307GT) — ZTO
ZTO - Brazil
Samsung Galaxy A30s ZTO Firmware Archive
Samsung Galaxy A30s Combination & Special Files