Home / Thủ Thuật / cập nhật ios 9 cho iphone 4 Cập nhật ios 9 cho iphone 4 29/10/2021 If you want khổng lồ update your iPhone 4/4s to quả táo 9, this article will help you with that. Here shows you how to update iPhone 4/4s to quả táo 9 & things you need to lớn pay attention to.Bạn đang xem: Cập nhật ios 9 cho iphone 4 dr.fone - Phone Backup (iOS) Download dr.fone - Phone Backup (iOS) to have a try!It offers another privilege lớn preview the data prior lớn performing a restore or backup operation.Unlike iTunes, it enables you lớn restore or backup your data easily và selectively.It supports more than 20 widely used file formats including, messages, contacts, videos, photos, WhatsApp data, & more.Compatibility is not an issue with dr.fone – ios Data Backup & Restore as it is available for both Windows và Mac OS computers.It supports almost all quả táo devices & also, fully supports the latest quả táo 11 version.Free tải về không tính tiền Download 6,703,862 people have downloaded it2. Kiểm tra Compatibility Of Your DeviceAnother thing you need khổng lồ know when you are dealing with how lớn update iPhone 4/4s to quả táo 9 hassle-free is the compatibility of your tiện ích ios device. Tiện ích ios 9 is currently available for iPhone 4s and models, which came afterward. You can also tăng cấp it for ipad tablet Air 2 and iPad mini 2 và 3 efficiently.So, if you have an hãng apple device that operating system. Ios 9 requires storage is not compatible, you should stop then & there from making an nâng cấp as it may harm your device. Plus, you should check and then nâng cấp your ios device to lớn the new tiện ích ios version khổng lồ avoid problems later on.3. Sufficient Space lớn Install UpdateWhen you download and install the new firmware on your device, you are notified of the need for free space. Ample of space may be required khổng lồ install the upgraded version of the operating system. Quả táo 9 requires a storage space of about 1.3 GB on your iPhone. Không tính phí up some disk space on your iPhone by either deleting your truyền thông files or by storing them at another location. You can restore the data back lớn post the up-gradation process.4. Update Apps before ios 9 UpdateUpdate apps và games to the latest version before upgrading game ios 9 as you might not be able khổng lồ open, delete or update the apps after the tiện ích ios upgrade. It may also cause apps crashing và freezing. Hence, it is recommended to lớn know how to lớn update iPhone 4/4s to game ios 9 prior khổng lồ rolling out the process.Keeping in mind the above mentioned necessary tips, you can easily update iPhone 4s to quả táo 9 without troubling yourself in future. Part 2: 2 Ways to Update iPhone 4/4S to ios 9Of course, you can also try the WhatsApp built-in e-mail feature to lớn export WhatsApp messages. This is an appropriate solution if there are not so many WhatsApp messages that need to be exported. Now let"s take a look at some tips on how to operate this for both iPhone & Android.1. Update Over The Air (OTA)The wireless delivery of new software or data to thiết bị di động phones và tablets is known as over the air update. If you want khổng lồ upgrade the underlying operating system, OTA updates are just meant for you. As the name suggests, you get your updates from wireless carriers, not via USB or other connectivity methods.Over the air giải pháp công nghệ is basically used khổng lồ administer Software Updates, configuration settings, etc directly khổng lồ your portable devices like Smartphones and tablets. For an over the air (OTA) updates, you should follow these steps.Step 1 . Head straight to lớn the "Settings" of your ios device first.Step 2 . Next, scroll the settings thực đơn down and get into the "General" section.Xem thêm: 100+ Hình Ảnh Hạnh Phúc Trong Tình Yêu Hạnh Phúc, Gửi Tặng Bạn Gái, Người YêuStep 3 . Lastly, push the "Software Update" tab & then the device will automatically kiểm tra for the latest firmware update available for your tiện ích ios device. 2. Update iPhone via iTunesWhen you think about how to lớn update iPhone 4/4s to ios 9 safely, then the first thing that comes in your mind would be iTunes. The default iOS data management software is designed in a very simple way, making it easier to navigate between sections. You need to lớn follow these steps lớn update iPhone 4s to game ios 9 easily.Step 1 . Make sure that you have the latest version of iTunes installed on both your computer và your iPhone.Step 2 . Now, plug in your game ios device into your computer with the help of a lightning cable supplied with it.Step 3 . Next, launch the iTunes on your computer và it will detect your iPhone automatically. Now, select your tiện ích ios device. Và get into the "Summary" section.Step 4 . Hit on the "Check for Updates" button and iTunes will look for the latest firmware update for your ios device. Step 5 . Lastly, it will throw a pop up on your screen if the latest firmware is available for your ios device. Hit on the "Download và Update" button khổng lồ initiate the update process. ConclusionNow, after reading this article, you won"t need khổng lồ worry about how to lớn update your iPhone4/4S. If you are willing lớn undo an iPhone update, here is the guide khổng lồ help you with that. Actually, those methods work for all versions of the iPhone, you can also backup your iPhoneX by using dr.fone in one click.