iPhone 12 Pro Max Motherboard Replacement
Published by TurboFix, Hyderabad · Last updated · 1 sources
Quick answer
A iPhone 12 Pro Max motherboard replacement swaps the A14 Bionic logic board. Your data doesn't transfer, Face ID usually stops working and the IMEI changes to the new board's, so we look at chip-level service on your original board first.
The iPhone 12 Pro Max's logic board holds the A14 Bionic chip, its storage and its security hardware. Replacing the whole board is a big step: your data doesn't come across, and Face ID usually won't work afterwards.
This page explains when a motherboard replacement makes sense for an iPhone 12 Pro Max, what changes afterwards, and when chip-level service on your original board is the better route.
Advice that applies to every iPhone — data safety, what to check before booking and common causes — is in our iPhone motherboard replacement guide; this page focuses on what's specific to the iPhone 12 Pro Max.
Serving all of Hyderabad and Secunderabad at your doorstep, with pickup and delivery, or at our walk-in studio: Bharat Nagar, Aghapura, Nampally, Hyderabad, Telangana 500001.
TurboFix is an independent service provider. We are not Apple, not an Apple Authorised Service Provider, and not affiliated with or endorsed by Apple Inc. iPhone is a trademark of Apple Inc.
IPhone 12 Pro Max motherboard replacement at a glance
- Chip
- A14 Bionic
- Price
- Quoted for your iPhone 12 Pro Max after inspection, before any work starts
- Warranty
- 3, 6 or 12 months depending on the part grade — confirmed with your quote
- Where
- Doorstep visit, pickup and delivery, or walk-in at our Nampally studio
- Payment
- After the service · cash, UPI, cards
What makes the iPhone 12 Pro Max different for this service?
- Chip: A14 Bionic. The chip, storage and security hardware are all on the logic board.
- Parts history: the iPhone 12 Pro Max lists the logic board in Settings > General > About. Apple says a replaced, unverified logic board might affect features such as Apple Pay.
How does motherboard replacement differ across the iPhone 12 series (2020)?
The iPhone 12 series were the first 5G iPhones, using the A14 Bionic and a Qualcomm modem. The logic board appears in Parts and Service History from this generation, and Apple says a replaced, unverified board can affect features such as Apple Pay.
What should I check on my iPhone 12 Pro Max before booking?
- The iPhone 12 Pro Max went on sale in November 2020, so unless it was bought much later or has extended cover, it's likely outside Apple's one-year limited warranty. You can confirm at checkcoverage.apple.com.
What do we test on your iPhone 12 Pro Max before handing it back?
These checks are chosen for the iPhone 12 Pro Max's hardware, so features this model has are confirmed working after motherboard replacement:
- Face ID set-up and unlock
- Lightning charging with a reference cable
- MagSafe alignment and wireless charging
- Ring/Silent switch
- LiDAR-assisted Portrait mode
- Calls on earpiece and speakerphone, and Voice Memo recording
- Mobile data including 5G where available, Wi-Fi and Bluetooth
How does the iPhone 12 Pro Max compare for motherboard replacement?
| Model | Logic board |
|---|---|
| iPhone 12 Pro Max | A14 Bionic · logic board listed in parts history |
| iPhone 12 mini | A14 Bionic · logic board listed in parts history |
| iPhone 12 | A14 Bionic · logic board listed in parts history |
| iPhone 12 Pro | A14 Bionic · logic board listed in parts history |
| iPhone 11 Pro Max | A13 Bionic · logic board not listed in parts history |
| iPhone 13 Pro Max | A15 Bionic · logic board listed in parts history |
On these points the iPhone 12 Pro Max matches the iPhone 12 mini, iPhone 12 and iPhone 12 Pro. Parts can still differ in size or fit, so we always quote by exact model.
How does iPhone 12 Pro Max motherboard replacement work at TurboFix?
- 1
Full diagnosis
Battery, port, display and board are tested to confirm the board is beyond component-level work.
- 2
Explain the trade-offs
Data, Face ID, Apple Pay and IMEI changes are discussed before you decide.
- 3
Source and fit
An Activation Lock-free board is fitted and the phone reassembled.
- 4
Test and document
Every function is tested and the new identifiers are recorded.
IPhone 12 Pro Max motherboard replacement: frequently asked questions
Will I lose my data if the iPhone 12 Pro Max motherboard is replaced?
Yes — data on the old board doesn't move to the new one, because storage is part of the board and encrypted to it. If you have an iCloud or computer backup, you can restore it onto the replacement. If you don't, ask about chip-level service first: reviving the original board is the only way to reach that data.
Is a motherboard replacement worth it?
It depends on the iPhone 12 Pro Max's value to you, whether you have a backup, and the alternatives. Because Face ID usually won't work afterwards and data isn't transferred, we often recommend trying chip-level service on your original board first.
How much does a iPhone 12 Pro Max motherboard replacement cost?
It depends on board availability and storage size. We quote after diagnosis, before any work, and explain whether chip-level service is a better option.
Are replacement logic boards available for the iPhone 12 Pro Max?
Usually, as used or refurbished boards, because the iPhone 12 Pro Max has been on sale since November 2020. Condition and source vary, so we tell you exactly what's being quoted.
Will a replacement board have the same storage as my iPhone 12 Pro Max?
Not necessarily. Storage is part of the logic board, so the replacement brings its own capacity. Make sure the quote states the storage size you're getting.
Will Settings show that the iPhone 12 Pro Max's board was replaced?
Yes. On iPhone 12 and later, including the iPhone 12 Pro Max, Settings > General > About lists the logic board, and Apple marks a replaced board that can't be verified as "Unverified".
Related pages
More iPhone 12 Pro Max services
Motherboard Replacement for related iPhone models
See also: iPhone Motherboard Replacement guide (all models) · Motherboard service (all brands) · iPhone service in Hyderabad · No fix, no fee policy · Warranty terms
Sources
Model facts on this page were checked against these sources in October 2026. Prices are not listed because they depend on the part and are quoted after inspection.
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