MICRON · EMCP · Top-mark hint
JZ109
Private/OEM top mark from repair community; must be confirmed by CID/EXT_CSD.
Identity & specification
| Part number | JZ109 |
|---|---|
| Manufacturer | MICRON |
| Record type | Top-mark hint |
| Top marking | JZ109 |
| Aliases | Not established |
| Storage type | EMCP |
| Capacity | 64 GB |
| RAM | Not established |
| Protocol | eMMC 5.1 |
| Package | phone MCP top-mark |
| Ball count | Not established |
| Pinout family | Not established |
| Voltage notes | Not established |
| Observed in devices | Not established |
Evidence
Technician reference
Source: MobileICChecker/technician lists only
Verification status: technician_hint_low_confidence
Source score 0.62 — dataset metadata, not a probability of fitment.
Screening data incomplete
- ✗ Exact identity from a strong source
- ✓ Capacity
- ✓ Protocol version
- ✗ Ball count
- ✗ RAM size
- ✓ No open conflict
Verify CID/CSD/EXT_CSD and SEC_COUNT before eMMC/eMCP replacement.
A matching part number or package does not prove donor compatibility. Before replacement confirm the ball map, VCC/VCCQ, protocol generation, capacity geometry, DRAM training (MCP), CID/EXT_CSD or UFS descriptors, RPMB and OEM provisioning.