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Apple Support
support.apple.com โ€บ en-us โ€บ 111940
iPhone 6 Plus - Technical Specifications - Apple Support
Storage and travel case ยท Nano-SIM ยท iPhone 6 Plus are not compatible with existing micro-SIM cards. Lightning ยท iPhone 6 Plus (Model A1522, A1524): M3, T4 ยท Viewable document types ยท

group of smartphone models produced by Apple Inc.

An Apple iPhone 6 smartphone.
iphone 5c
iPhone 17 horizontal on its side in Lavender finish, with a layered design showcasing Ceramic Shield 2
The iPhone 6 and iPhone 6 Plus are smartphones that were developed and marketed by Apple. They are the eighth generation of the iPhone, succeeding the iPhone 5, iPhone 5c and iPhone โ€ฆ Wikipedia
Factsheet
Developer Apple
Manufacturers Foxconn, Pegatron (on contract)
Factsheet
Developer Apple
Manufacturers Foxconn, Pegatron (on contract)
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Wikipedia
en.wikipedia.org โ€บ wiki โ€บ IPhone_6
iPhone 6 - Wikipedia
2 weeks ago - The iPhone 6 and 6 Plus were discontinued in most markets on September 7, 2016, when Apple announced the iPhone 7 and iPhone 7 Plus. Their spot as the entry-level iPhone was taken by the first-generation iPhone SE, released on March 31, 2016. The iPhone 6 was relaunched with 32 GB of storage in ...
Discussions

iOS takes up 7.37 GB of space on my iPhone 6... Is that normal?
sorry man, it's a 10yo phone, you're gonna have to get a new one 7GB for the OS is quite normal btw More on reddit.com
๐ŸŒ r/ios
10
0
February 3, 2025
storage capacity for iphone 6 plus - Apple Community
The iPhone 6 Plus was introduced with capacities of 16, 64, and 128GB. If you are looking in the store, the 6S Plus is offered in 32 and 128GB. Is that what you are referring to? ... Okay, so you are actually referring to purchasing a 6S Plus? If that is the case, then the storage capacity ... More on discussions.apple.com
๐ŸŒ discussions.apple.com
October 16, 2016
Usable storage Size of the iPhone 6 with 128 GB
There is no storage on the market where you can use the advertised capacity. That's because the software works with 1GB=1024MB while advertisers use 1GB=1000MB. This has been like this since the dawn of the computer age. My usable capacity is 114GB which is totally expected with 128GB advertised storage. More on reddit.com
๐ŸŒ r/iphone
7
1
October 17, 2014
iPhone 6 Plus 16GB with really 11,7 GB. Iโ€ฆ - Apple Community
It's easier to say 16 GB instead of 15.xxxxxxxx (I don't know what the iPhone really is). I don't know if this still applies but there's also a computer mathematics twist in reporting size: How Mac OS X and iOS report storage capacity - http://support.apple.com/kb/TS2419 - pre OSX10.6 and iOS ... More on discussions.apple.com
๐ŸŒ discussions.apple.com
July 6, 2017
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GSMArena
gsmarena.com โ€บ apple_iphone_6_plus-6665.php
Apple iPhone 6 Plus - Full phone specifications
Apple iPhone 6 Plus smartphone. Announced Sep 2014. Features 5.5โ€ณ display, Apple A8 chipset, 8 MP primary camera, 1.2 MP front camera, 2915 mAh battery, 128 GB storage, 1000 MB RAM, Ion-strengthened glass.
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Reddit
reddit.com โ€บ r/ios โ€บ ios takes up 7.37 gb of space on my iphone 6... is that normal?
r/ios on Reddit: iOS takes up 7.37 GB of space on my iPhone 6... Is that normal?
February 3, 2025 -

I've been rocking with a iPhone 6s since 2019, and it's served me well, but in recent years I've noticed a lot of issues re: space.

iOS seems to take the largest amount of space in the phone (7.37 GB to be exact), as well as System Data (which I can't seem to get a clear measurement of how large it is- just its big), following that is Messages (7.03 GB), and Photos (1.75 GB) everything else is under 1.7 GB. The full storage of the phone is 32 GB.

So my question is, is it normal for iOS and the system data to be as large as they are? Are there any options on what I can do to optimize storage space??

Any help is appreciated, thank you.

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Quora
quora.com โ€บ How-much-storage-capacity-does-the-iPhone-6-Plus-64-GB-model-really-have
How much storage capacity does the iPhone 6 Plus (64 GB model) really have? - Quora
Answer (1 of 4): About 59.4GB, or 55.4GiB. The answer depends on the long-standing and frustrating difference between the decimal gigabyte and the binary gigabyte. When you use decimal gigabytes, the assumption is that 1GB = 1,000,000,000 bytes, ...
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Coolblue
coolblue.nl โ€บ telephony โ€บ mobile phones โ€บ smartphones โ€บ apple iphone โ€บ advice on the apple iphone โ€บ apple iphone support โ€บ how do you expand the memory of an apple iphone?
How do you expand the memory of an Apple iPhone? | Coolblue
4 days ago - You can't expand the memory of your iPhone with a memory card. Still, there are a number of ways to provide space for all your music, photos, and videos. With iCloud, you can access your files and save backups both at home and on the go.
Top answer
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There is no flash drive just soldered flash memory chips. ยท Sadly, you'll need to swap out the complete logic board which is quite expensive! Best to sell and buy a new unit with the larger storage. ยท UPDATE ยท While the flash chip can be replaced it does take a bit of skill, availability of the chip and the needed programer. This it's not a DIY project for a good 90% of us. ยท Even still as Tom pointed out there are risks if the upgrade will be stable and its already known some actions don't work correctly. ยท Given the market its still better to buy a new phone! If you must trade it in or even sell it your self to recover a good part of the costs of a new phone.
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You can resolder a bigger chip onto it, then you'd have to do some factory level programming to initialize the chip and write config data into it, which i don't know if it is possible. ยท UPDATE: ยท It is possible now, some Chinese repair shops are offering this upgrade: ยท http://www.askci.com/news/chanye/2015/10... ยท Based on customer feedback, if all serial number/MAC addresses are rewritten properly, the phone works with no problems. However Activation Lock seems non-functional, you can successfully enable find my iPhone on it, locate it remotely, but after a DFU forced restore, the phone can just be activated again without having to reenter your apple ID. ยท And whether new updates or activation server changes will improve or destroy the phones are not known.
Find elsewhere
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Apple Support
support.apple.com โ€บ en-us โ€บ 108349
Buy iCloud+ or upgrade your current storage plan - Apple Support
2 weeks ago - iCloud+ is a premium subscription that expands your iCloud service with all the storage you need for your data and features like iCloud Private Relay, Hide My Email, and HomeKit Secure Video support. Choose your device, then follow the steps for your software version to buy or upgrade an existing iCloud+ plan. ... Depending on the software version your device has, you might see different steps. Find out how to check the software version on your iPhone.
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Apple Community
discussions.apple.com โ€บ thread โ€บ 7710472
storage capacity for iphone 6 plus - Apple Community
October 16, 2016 - The iPhone 6 Plus was introduced with capacities of 16, 64, and 128GB. If you are looking in the store, the 6S Plus is offered in 32 and 128GB. Is that what you are referring to? ... Okay, so you are actually referring to purchasing a 6S Plus? If that is the case, then the storage capacity ...
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Wide Angle Software
wideanglesoftware.com โ€บ blog โ€บ how-to-free-up-space-on-iphone.php
6 Ways - How to Free Up Space on iPhone
November 24, 2025 - iPhones are powerful devices, but storage space often runs out quickly โ€” and upgrading to higher-capacity models can be expensive. Apple has made great strides in addressing storage issues with iCloud, but for many users, it's still not enough. This article offers a practical guide with 6 effective ways to maximize your iPhone storage.
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Quora
quora.com โ€บ Can-I-upgrade-my-iPhone-6-Plus-from-16gb-to-128gb
Can I upgrade my iPhone 6 Plus from 16gb to 128gb? - Quora
Answer (1 of 14): The iPhone 6s did not have 16GB of Memory (RAM) available. Most phones to this day only have ~8Gb of Memory (RAM). So I will assume you mean storage. I will assume you are short on storage. There is a few ways so squeeze more storage out of a phone. If you have a lot of photos,...
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iSmash
ismash.com โ€บ pages โ€บ iphone-6-plus-dimensions
iPhone 6s Plus Dimensions: Everything You Need to Know โ€“ iSmash - The home of Cheeky Refurbs
The iPhone 6 Plus is available in four colors: silver, gold, space gray, and rose gold. It is also available in three storage capacities: 16GB, 64GB, and 128GB. The larger size of the iPhone 6 Plus makes it a good choice for people who want a more immersive viewing experience.
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Swappa
swappa.com โ€บ guide โ€บ apple-iphone-6-plus
iPhone 6 Plus - Guide, Specs, Prices, and More - Swappa
March 9, 2020 - More storage generally means a higher price for the iPhone 6 Plus. In November 2025, the average sale price for the 64 GB option was $75, the 128 GB option was $, the 16 GB option was $.
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Gadgets 360
gadgets360.com โ€บ home โ€บ mobiles โ€บ phone finder โ€บ apple phones โ€บ apple iphone 6 plus (64gb)
Apple iPhone 6 Plus (64GB) Phone Price, Specs, Comparison and Reviews (11th December 2025) | Gadgets 360
Apple iPhone 6 Plus (64GB) smartphone with a dynamic Touchscreen display, Apple A8 processor, and 2915 mAh battery. Find Apple iPhone 6 Plus (64GB) latest price, detailed specs, reviews, ratings, and more.
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Reddit
reddit.com โ€บ r/iphone โ€บ usable storage size of the iphone 6 with 128 gb
r/iphone on Reddit: Usable storage Size of the iPhone 6 with 128 GB
October 17, 2014 -

So I have the Silver iPhone 6 with 128 GB (iOS 8.0). So far I'm perfectly happy about my new phone. While I was checking my battery usage I saw the usage of my storage.

55.2 GB are used and 59.3 GB are free.

I know from the expected storage space you have to cut down a little and also you have to calculate the iOS but in total 13.5 GB are not usable. That's almost the same space iPhones with 16GB have in total.

So am I missing something or is this a normal thing for the iPhones with the bigger storage?

PS: Sorry for my English, I know it's far from being perfect :P

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Esper
esper.io โ€บ devices โ€บ apple-iphone-6-plus
Apple iPhone 6 Plus Specs | Esper Device Management
Opt for just 16GB, 32GB, or as much as 128GB for internal storage on the phone, but note that it doesn't support microSD cards. It comes with iOS 8 installed, but you can select to upgrade the phone to iOS 12.5.6.
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Filpz
filpz.com โ€บ home โ€บ shop apple iphone 6 plus online at the best price in india
Shop Apple iPhone 6 Plus Online at the Best Price in India
The iPhone 6 Plus is available in three storage capacities: 16GB, 64GB, and 128GB, catering to various storage needs.
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Apple Community
discussions.apple.com โ€บ thread โ€บ 6727658
iPhone 6 Plus 16GB with really 11,7 GB. Iโ€ฆ - Apple Community
July 6, 2017 - iOS8 storage requirements may vary depending upon the exact hardware but note in the above article that a 16 GB iPad mini showed 11 GB free after iOS8 installation, and other devices also show roughly a 4-5 GB storage requirement. You should have a few days left to return the phone (I presume ...
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Quora
quora.com โ€บ Why-does-an-iPhone-6-have-32GB-of-storage-while-an-iPhone-6S-6-Plus-has-only-16GB
Why does an iPhone 6 have 32GB of storage while an iPhone 6S/6 Plus has only 16GB? - Quora
The iPhone 6, 6s, and 6s Plus could all be purchased with 16, 32, 64, or 128 GB of storage. The iPhone 6 Plus lacked the 32GB option, but had the rest. So if a particular iPhone 6 has 32GB and a particular 6 Plus, 6s, or 6s Plus only has 16GB ...
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Apple Community
discussions.apple.com โ€บ thread โ€บ 252211325
iphone 6s plus storage - Apple Community
December 23, 2020 - Iphone stoage! I have so many many many many many problems with storage, having an iphone 6s from 2016 with 16 gb it's a struggle yes. ''Other'' takes 7 gb and so does ''system'' so already there ive got 2 gbs left to use which is useless. Now I decided to delete some photos, like 100 in total, ...