Apple T2 Chip Data Recovery | Rossmann Group

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Why T2 Makes Recovery Different

The T2 chip handles all SSD encryption in hardware. Every block written to the NAND flash is encrypted by the T2 before it reaches the storage chips. Without a functioning T2, the NAND contents are encrypted and unreadable.

This means the data cannot be extracted by removing chips from the board. Desoldering the NAND and reading it on another device produces only ciphertext. The decryption keys live inside the T2 on the original logic board. The board itself must work for the data to be accessible.

Affected Models

MacBook Pro 2018, 2019, 2020 (Intel). MacBook Air 2018, 2019, 2020 (Intel). Mac mini 2018. iMac Pro 2017. All use the Apple T2 security chip with hardware-level SSD encryption.

T2 Encryption Architecture

The T2 chip encrypts all SSD data using AES-256 in XTS mode. The encryption is hardware-level and always active; there is no option to disable it. The encryption keys are generated inside the T2's Secure Enclave during initial setup and never leave the chip. The Secure Enclave is a physically isolated processor within the T2 die with its own encrypted memory, separate from the main application processor.

The key hierarchy works in layers. The Secure Enclave holds a hardware UID fused into silicon at manufacturing. This UID, combined with the user's passcode (if FileVault is enabled), derives the volume encryption key that protects the NAND contents. Without the Secure Enclave's hardware UID, brute-forcing AES-256 XTS is computationally infeasible.

This architecture is functionally identical to how Microsoft Surface devices bind BitLocker keys to the TPM. In both cases, the original security chip must be functional for decryption. The difference is implementation: Apple uses a custom Secure Enclave; Microsoft uses a standard TPM. The recovery constraint is the same.

Diagnostic Methodology

T2 MacBook boards have dozens of power rails, each supplying voltage to specific subsystems. A short on any rail can prevent the T2 from initializing. Diagnosis follows a systematic sequence using three tools.

Bench power supply analysis: The board is connected to a bench power supply set to the battery voltage (approximately 12.6V for MacBook Pro, 7.6V for MacBook Air). The current draw at power-on reveals the failure category: zero draw indicates an open circuit or failed charging IC; excessive draw (above 1A before boot) indicates a short on a power rail. The current signature during boot sequence narrows the fault to specific subsystems.
FLIR thermal imaging: With the board powered from the bench supply, a FLIR thermal camera identifies which component is dissipating the excess current as heat. A shorted capacitor, failed MOSFET, or damaged IC shows as a hot spot against the ambient board temperature. This replaces hours of point-to-point resistance measurement with a visual map of the fault location.
Multimeter and schematic tracing: Once the thermal image identifies the general area, schematic-guided multimeter probing confirms the specific component. Resistance measurements between power rails and ground, diode-mode readings on ICs, and voltage measurements at test points validate the diagnosis before any soldering begins.

How We Approach T2 Recovery

Board-level diagnosis: Bench power supply current analysis, FLIR thermal imaging, and schematic-guided multimeter probing to locate the failed component. Common failure points include power rail shorts, failed capacitors, damaged power management ICs, and corroded connections from liquid exposure.
Component replacement: Failed ICs, capacitors, or resistors are replaced under microscope using JBC microsoldering equipment. The original T2 chip and NAND remain on the board. The repair does not need to bring the Mac back to full daily-use condition; it only needs to reach a state where the T2 initializes.
Data transfer: Once the T2 chip can initialize, it decrypts the NAND and allows data transfer via Target Disk Mode or Apple Configurator. The data is imaged to a safe destination, and the recovery is complete.

Recovery Examples

Recovery examples from our lab are being documented and will be added here.

SSD Recovery Pricing

T2 MacBook recovery follows our standard SSD recovery pricing tiers. Free evaluation, firm quote before work begins. No data = no charge. Call (512) 212-9111.

Service Tier	Price	Description
Simple CopyLow complexity	$200	Your drive works, you just need the data moved off it Functional drive; data transfer to new media Rush available: +$100
File System RecoveryLow complexity	From $250	Your drive isn't showing up, but it's not physically damaged File system corruption. Visible to recovery software but not to OS Starting price; final depends on complexity
Circuit Board RepairMedium complexity – PC-3000 required	$600–$900	Your drive won't power on or has shorted components PCB issues: failed voltage regulators, dead PMICs, shorted capacitors May require a donor drive (additional cost)
Firmware RecoveryMedium complexity – PC-3000 required	$900–$1,200	Your drive is detected but shows the wrong name, wrong size, or no data Firmware corruption: ROM, modules, or system files corrupted Price depends on extent of bad areas in NAND
Advanced Board RebuildHigh complexity – precision microsoldering and BGA rework	$1,200–$1,500	Your drive's circuit board is severely damaged and requires advanced micro-soldering Advanced component repair. Micro-soldering to revive native logic board or utilize specialized vendor protocols 50% deposit required upfront; donor drive cost additional

Hardware Repair vs. Software Locks

Our "no data, no fee" policy applies to hardware recovery. We do not bill for unsuccessful physical repairs. If we replace a hard drive read/write head assembly or repair a liquid-damaged logic board to a bootable state, the hardware repair is complete and standard rates apply. If data remains inaccessible due to user-configured software locks, a forgotten passcode, or a remote wipe command, the physical repair is still billable. We cannot bypass user encryption or activation locks.

All tiers: Free evaluation and firm quote before any paid work. No data, no fee on all tiers (advanced board rebuild requires a 50% deposit because donor parts are consumed in the attempt).

Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost. All prices are plus applicable tax.

Frequently Asked Questions

Can you recover data from a dead T2 MacBook?

If the T2 chip itself is intact and the board can be repaired to a state where the T2 initializes, yes. The T2 holds the encryption keys in its Secure Enclave. Board-level repair restores the power delivery and signal paths the T2 needs to decrypt the NAND. If the T2 die itself is cracked or the Secure Enclave is destroyed, the encryption keys are lost and the data is unrecoverable.

Is FileVault the same as T2 encryption?

No. The T2 chip encrypts all data at the hardware level regardless of FileVault status. FileVault adds a second encryption layer tied to your login password. With T2 hardware encryption alone, the data decrypts automatically when the T2 initializes. With FileVault enabled, you also need the user password or recovery key after the T2 decrypts the underlying storage.

Can the NAND chips be moved to a donor T2 MacBook?

No. The T2's Secure Enclave generates unique encryption keys during initial setup that are bound to that specific T2 chip. Moving NAND to a different board with a different T2 produces only ciphertext. The original T2 must be functional for decryption.

What if my T2 MacBook was liquid damaged?

Liquid damage is the most common T2 MacBook failure we see. Corrosion attacks power rails and passive components around the T2 and SoC. Ultrasonic cleaning removes corrosion residue, then we trace each affected power rail with a multimeter and thermal imaging to identify which components need replacement. The T2 chip itself is often undamaged because it sits in a BGA package that resists initial liquid ingress.