Can iPhone storage really be upgraded?

Yes — on supported models — through advanced NAND chip replacement. The original NAND chip is desoldered and replaced with a higher-capacity chip. Support varies by generation; contact RevyTech with your model to confirm.

Is this the same as buying more iCloud storage?

No. iCloud storage is cloud space tied to your Apple ID; it does not change the physical storage in the device. A NAND upgrade replaces the storage chip on the logic board, so the device itself ends up with more on-device storage.

Will my data survive the upgrade?

Depending on the procedure for your specific model, the upgrade may require a restore from backup that erases existing data. We strongly recommend backing up to iCloud or a computer beforehand. We don't promise data preservation on a NAND upgrade.

What's the maximum capacity?

It depends on the model and what NAND chips are available for that footprint. Some devices can be taken to higher capacities; others are capped lower. Send us your model and target capacity for a realistic answer.

Can You Upgrade iPhone Storage? How NAND Upgrades Work

iCloud storage vs on-device storage

First, the easy clarification: iCloud storage is cloud space tied to your Apple ID. Buying more iCloud doesn't add storage to the iPhone itself. If you're hitting "Storage Almost Full" warnings on the device or you can't install iOS updates because of free space, you need more on-device storage — and that means changing the physical NAND chip on the logic board.

Related service

iPhone & iPad NAND Storage Upgrades

Board-level NAND storage upgrades for supported iPhone and iPad models.

What an iPhone NAND upgrade actually is

The NAND chip is the flash storage soldered to the iPhone's logic board. It's the same kind of solid-state storage that lives in an SSD, just attached directly to the motherboard. Upgrading storage means desoldering the original NAND chip under a microscope, programming a higher-capacity replacement chip with the data the iPhone needs to identify its storage, and re-soldering the new chip in place.

It is microsoldering work — not a setting, not a software trick, and not something every shop can do. It's the same general technique used for iPhone NAND repair when the existing chip has failed; only the goal is different (more capacity instead of fixing a fault).

When does it make sense?

An iPhone storage upgrade is a reasonable conversation when:

Your iPhone shipped with 32GB, 64GB, or another low-capacity tier and you've outgrown it
You can't install iOS updates because of free-space limits
You spend more time deleting things than taking new photos
You want to keep the iPhone for another year or two and only storage is holding you back
Buying a higher-capacity new iPhone is a meaningfully bigger expense than the upgrade

Supported models and capacities — the honest answer

Support depends on the model and the NAND footprint Apple used in that generation. Many iPhone and iPad models can be upgraded; others cannot. Maximum capacity (e.g. 256GB → 1TB) depends on what NAND chips are available for that footprint. Because Apple changes the storage architecture between generations, support evolves over time — there is no static "upgradable models" list that stays accurate for long.

The honest answer to "can my iPhone be upgraded to 1TB?" is: send us the model and current storage, and we'll tell you what's realistic.

Will I lose my data?

It can happen. Depending on the path used for your specific iPhone, the upgrade may require a restore from backup that erases existing data on the device. We recommend an iCloud or computer backup before any storage upgrade. We do not promise data preservation on a NAND upgrade — please plan for a restore from backup as part of the workflow.

Risks worth knowing about

An iPhone NAND upgrade is advanced microsoldering and comes with realistic risks:

Not available for every iPhone or iPad model
Manufacturer water resistance is not guaranteed after a device has been opened — and we don't promise restored water resistance
Existing logic board damage (liquid damage, prior repair) can affect eligibility
Apple does not endorse third-party NAND upgrades; future Apple service on the modified board is not guaranteed
We do not promise data preservation

Be skeptical of any shop promising a specific capacity or guaranteeing data preservation on an iPhone NAND upgrade without diagnosing your device first. The honest answer always starts with "contact us with your model."

How to find out if your model is supported

The next step is straightforward: send us your iPhone or iPad model, current storage size, and target capacity (for example, "iPhone 13 Pro, 128GB → 1TB"). We'll confirm whether an upgrade is supported for your specific device and outline the next step.