Dumping the phone RAM
Tools for dumping RAM
- Web memory dumper (Google Chrome) ← best choice!
- CLI memory dumper (Linux, OSX, Windows)
- ArmDebugger.exe (Windows)
Which memory needs to be dumped?
For all phone models
These RAM regions are present on all phones
| Name | Address | Size | Attributes | Description | |
|---|---|---|---|---|---|
| BROM | 00400000 | 00008000 | 32k | Read+Execute | Built-in 1st stage bootloader firmware. |
| TCM | 00000000 | 00004000 | 16k | Write+Read+Execute | Built-in memory in the CPU, used for IRQ handlers. |
| SRAM | 00080000 | 00018000 | 96k | Write+Read+Execute | Built-in memory in the CPU. |
ELKA
EL71, E71, M72 (proto), CL61 (proto), C0F1 (proto)
| Name | Address | Size | Attributes | Description | |
|---|---|---|---|---|---|
| RAM | A8000000 | 01000000 | 16M | Write+Read+Execute | External RAM. |
| VMALLOC | AC000000 | 01800000 | 24M | Write+Read | Virtual memory for malloc(). |
New NSG
C81, M81, S68
| Name | Address | Size | Attributes | Description | |
|---|---|---|---|---|---|
| RAM | A8000000 | 01000000 | 16M | Write+Read+Execute | External RAM. |
| VMALLOC | AC000000 | 00E00000 | 14M | Write+Read | Virtual memory for malloc(). |
Old NSG + SG (16M)
S75, SL75, CX75, M75, SK65
| Name | Address | Size | Attributes | Description | |
|---|---|---|---|---|---|
| RAM | A8000000 | 01000000 | 16M | Write+Read+Execute | External RAM. |
SG (8M)
CX70, C65, CX65, M65, S65, SL65, ME75, CF75, C75, C72
| Name | Address | Size | Attributes | Description | |
|---|---|---|---|---|---|
| RAM | A8000000 | 00800000 | 8M | Write+Read+Execute | External RAM. |