This report is for educational and repair purposes only. Flashing unofficial or incorrect firmware may void warranty and damage the device. Always verify file hashes and follow regional laws regarding unlocking and IMEI modification.

The actual partition sizes may vary slightly between Android 9, 10, and 11. 5. Required Tools for Flashing | Tool | Version | Purpose | |-------|---------|---------| | SP Flash Tool | v5.2124+ | Low-level flash for MTK devices (requires DA file) | | Nokia OST LA | 6.4.5+ | Official HMD flashing tool for NB0 files | | MTK Bypass Utility | v30+ | Bypass SLA/DAA auth for preloader (if needed) | | USB VCOM Drivers | MediaTek 3.0.1504 | Windows driver for preloader mode | | Python 3 | 3.8+ | Running bypass scripts | 6. Flashing Methods Method A: SP Flash Tool (Scatter + DA) Use case: Full dead boot repair, downgrade, ignore version mismatch.

Report ID: NOK-TA1130-CM2-2024 Device: Nokia TA-1130 (Nokia 2.2) Firmware Codename: CM2 Report Date: [Current Date] Classification: Service Manual Supplement / Flash File Guide 1. Executive Summary The Nokia TA-1130, marketed as the Nokia 2.2, is an Android One device powered by the MediaTek MT6761 (Helio A22) processor. The "CM2" designation refers to the internal hardware board/firmware project name used by HMD Global. A flash file (also known as stock ROM or firmware package) for this device is essential for repairing software bricks, removing FRP (Factory Reset Protection), upgrading/downgrading Android versions (Android 9 Pie to Android 11), and resolving boot loops.

| Partition Name | Size | Description | |----------------|------|-------------| | preloader | 256 KB | Initial bootloader, MediaTek proprietary | | pgpt | 128 KB | Primary GPT | | sgpt | 128 KB | Secondary GPT | | bootloader | 1 MB | LK (Little Kernel) bootloader | | nvram | 512 KB | IMEI, Wi-Fi MAC, BT address, calibration data | | nvdata | 2 MB | Dynamic NVRAM settings | | protect1 | 8 MB | Factory reset protection backup | | protect2 | 8 MB | Factory reset protection backup | | seccfg | 256 KB | Secure config (bootloader lock/unlock flag) | | uboot | 512 KB | U-Boot secondary loader | | boot | 32 MB | Kernel + ramdisk (Android boot image) | | recovery | 32 MB | Recovery image (stock recovery) | | cache | 256 MB | Cache partition | | system | 2.5 GB | System partition (Android OS) | | vendor | 400 MB | Vendor-specific blobs | | product | 200 MB | Product partition (Android 10+) | | odm | 50 MB | ODM customizations | | userdata | Remaining | User apps, settings, media | | metadata | 16 MB | Metadata for encryption | | frp | 1 MB | Factory Reset Protection data |