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Oppo A3S CPH1803 1GB Dump File Tested

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Full Specifications

Oppo A3S CPH1803 1GB Dump File

Description

Official 1GB dump file for Oppo A3S CPH1803 from RomWala. Tested and working. Fix pattern lock, FRP bypass, hang on logo, boot loop, brick after update, and software issues. Easy flash using QFIL Tool or Miracle Box. Direct download link below.

Info Dump

Firmware Version	1GB Dump
Package Name	Oppo-A3S-CPH1803-1GB-Dump-File-Tested
File Size	1GB + Partitions
System	Android (Stock)
Security Patch Level	Unknown
Release Date	2019
Flash Tools	QFIL Tool, Miracle Box
Compression	ZIP/RAR
Firmware Type	Dump File
Purpose	Pattern unlock, FRP bypass, Hang on logo fix, Brick repair, Boot loop fix, Software errors

Device Info

Device Name	Oppo A3S
Brand	Oppo
Model	CPH1803
Year Released	2019
Network	2G, 3G, 4G
SIM	Dual SIM
Dimensions	156.2 x 75.6 x 8.2 mm
Weight	168 grams
Build	Plastic body and frame
Display Type	IPS LCD
Display Size	6.2 inches
Display Refresh Rate	60 Hz
Display Resolution	720 x 1520 pixels (19:9 ratio)
Display Density	271 ppi
Display Protection	Corning Gorilla Glass 3
Chipset	Qualcomm Snapdragon 450 (SDM450)
Chipset Manufacturing Process	14nm
CPU	Octa-core 1.8 GHz Cortex-A53
GPU	Adreno 506
RAM Options	2GB / 3GB
Storage Options	32GB eMMC
Expandable Storage	Yes (Dedicated Slot)
Battery Capacity	4230mAh non-removable
Charging Support	Standard charging
OS	Android (Stock)
Rear Camera	13MP + 2MP Dual LED Flash
Front Camera	8MP
Fingerprint	No
Network Support	4G LTE, Dual SIM
Firmware Type	Dump File

EXT_CSD Info

EXT_CSD Revision	1.8 (MMC v5.1)
Boot1	4096 KiB
Boot2	4096 KiB
RPMB	4096 KiB
User Area	14.56 GiB (15,634,268,160 bytes)
Cache Size	64 MiB
Hardware Reset Function	1
Partition Configuration	0x38
Partitioning Support	0x07
Boot Configuration Protection	0x00
Boot Bus Conditions	0x00
Boot Area Write Protection	0x00

Flashing Guide

Requirements	Windows PC, USB Data Cable, 60% battery, Qualcomm USB Drivers, QFIL Tool or Miracle Box
How to Flash	1. Extract dump file zip. 2. Install Qualcomm USB drivers. 3. Open QFIL Tool. 4. Select 'Flat Build' or 'Programmer Path'. 5. Load XML files from dump folder. 6. Click 'Download'. 7. Connect phone in EDL mode (Volume keys or test points). 8. Wait for complete flash. 9. Disconnect and reboot.
Warnings	Use only on Oppo A3S CPH1803. Do not disconnect during flashing. All user data will be erased. All operations at your own risk.
Troubleshooting	Device not detected - reinstall drivers. EDL mode not entering - try test points or volume keys. QFIL error - use different USB port or version. Sahara error - use Miracle Box or check programmer file.