How to Update to iOS 15
ວິທີການອັບເດດເປັນ iOS 15
iOS 15 Update Problem
ບັນຫາການອັບເດດ iOS 15
How to Downgrade
ວິທີການດາວເກຣດ

ຄູ່ມືສຸດທ້າຍກ່ຽວກັບການອັບເດດ iOS 15

• iOS 15 ຄຸນສົມບັດໃໝ່
• ກະກຽມສໍາລັບການອັບເດດ iOS 15
• ວິທີການອັບເດດເປັນ iOS 15
• ດາວເກຣດ iOS 15 ເປັນ iOS 14
• ເຄັດລັບ ແລະເຄັດລັບການອັບເດດ iOS 15

ສ່ວນທີ 1. iOS 15 ຄຸນນະສົມບັດໃຫມ່ທີ່ຫນ້າຫວາດສຽວ

ດ້ວຍ iOS 15, ທ່ານ iPhone ແນ່ນອນຈະໄດ້ຮັບໃບຫນ້າທີ່ຫນ້າຊົມເຊີຍໃຫມ່. Apple ອ້າງວ່າ iOS 15 ຖືກອອກແບບມາເພື່ອ "ໃຫ້ iPhone ຂອງທ່ານເບິ່ງໃຫມ່, ແລະເອົາມັນໄປສູ່ລະດັບໃຫມ່ທັງຫມົດ". ສິ່ງທີ່ພວກເຮົາຄາດຫວັງແມ່ນການປັບປຸງບໍ່ພຽງແຕ່ຢູ່ໃນລັກສະນະ, ແຕ່ຍັງຢູ່ໃນການປະຕິບັດ. ມາເບິ່ງກັນວ່າ iOS 15 ມີຄຸນສົມບັດໃໝ່ອັນໃດມາໃຫ້ພວກເຮົາ.

ios 15 features - New Widgets

ວິດເຈັດໃໝ່

  • widget ໃຫມ່ສໍາລັບທ່ານເພື່ອໃຫ້ໄດ້ຮັບຂໍ້ມູນເພີ່ມເຕີມ.
  • ເລືອກ​ຈາກ​ຂະ​ຫນາດ​ທີ່​ແຕກ​ຕ່າງ​ກັນ​ແລະ​ຈັດ​ຕາມ​ທີ່​ທ່ານ​ຕ້ອງ​ການ​.
ios 15 features - new app library

ໃໝ່ App Library

  • ຈັດລະບຽບແອັບຯຂອງທ່ານເຂົ້າໄປໃນມຸມເບິ່ງທີ່ງ່າຍດາຍ, ງ່າຍທີ່ຈະນໍາທາງ.
  • ແອັບທີ່ໃຊ້ຫຼາຍທີ່ສຸດຂອງເຈົ້າແມ່ນແຕະເທື່ອດຽວສະເໝີ.
ios 15 features - new message

ຂໍ້ຄວາມໃໝ່

  • ເກົ້າການສົນທະນາຢູ່ເທິງສຸດຂອງລາຍການການສົນທະນາຂອງທ່ານ.
  • ການສົນທະນາກຸ່ມສາມາດກຳນົດຕົວຕົນທີ່ເປັນພາບໂດຍການເພີ່ມຮູບ ຫຼື Memoji, ຫຼືເລືອກ emoji.
ios 15 features - security

ຄວາມເປັນສ່ວນຕົວ & ຄວາມປອດໄພ

  • ເອົາຂໍ້ມູນກ່ຽວກັບ App Store ເພື່ອຊ່ວຍທ່ານເຂົ້າໃຈການປະຕິບັດຄວາມເປັນສ່ວນຕົວ.
  • ຕົວຊີ້ບອກຈະປາກົດຢູ່ເທິງສຸດຂອງໜ້າຈໍທ່ານ ໃນຂະນະທີ່ແອັບກຳລັງໃຊ້ໄມໂຄຣໂຟນ ຫຼືກ້ອງຂອງທ່ານ.
ios 15 features - new maps

ແຜນທີ່ໃໝ່

  • ຂໍເສັ້ນທາງການຖີບລົດໂດຍໃຊ້ເສັ້ນທາງລົດຖີບ, ເສັ້ນທາງ ແລະຖະໜົນ.
  • ຄຳແນະນຳສຳລັບສະຖານທີ່ດີໆໃນທົ່ວໂລກເພື່ອກິນ, ຊື້ເຄື່ອງ, ແລະສຳຫຼວດ.
ios 15 features - homekit

HomeKit

  • ຕັ້ງໄຟຂອງທ່ານເພື່ອປ່ຽນອຸນຫະພູມສີຕະຫຼອດມື້.
  • ກ້ອງວິດີໂອ ແລະກະດິ່ງປະຕູສາມາດລະບຸຄົນທີ່ທ່ານແທັກໃນແອັບຮູບພາບໄດ້.
ios 15 features - new Siri

ໃໝ່ ສິລິ

  • ສຽງທີ່ສ້າງຂຶ້ນໂດຍ Siri ຈະມີສຽງທໍາມະຊາດຫຼາຍຂຶ້ນສໍາລັບປະໂຫຍກທີ່ຍາວກວ່າ.
  • ຊ່ວຍເຈົ້າຊອກຫາຄຳຕອບຈາກເວັບ ແລະສົ່ງຂໍ້ຄວາມສຽງ
ios 15 features - safari

Safari ໃຫມ່

  • ແປເວັບໄຊທ໌ໃນເຈັດພາສາທີ່ແຕກຕ່າງກັນ.
  • ແຕະທີ່ປຸ່ມລາຍງານຄວາມເປັນສ່ວນຕົວເພື່ອເຂົ້າໃຈດີຂຶ້ນວ່າເວັບໄຊທ໌ປະຕິບັດຕໍ່ຄວາມເປັນສ່ວນຕົວຂອງທ່ານແນວໃດ

ສ່ວນທີ 2. ການກະກຽມສໍາລັບການ iOS 15 ການປັບປຸງ

ຕົວ​ຈິງ​ແລ້ວ​, ມັນ​ເປັນ​ການ​ງ່າຍ​ແລະ​ງ່າຍ​ດາຍ​ຫຼາຍ​ທີ່​ຈະ​ປັບ​ປຸງ iPhone / iPad / iPod ສໍາ​ພັດ​ຂອງ​ທ່ານ​ກັບ iOS 15​. ແຕ່​ເພື່ອ​ເຮັດ​ໃຫ້​ການ​ເດີນ​ທາງ​ກ້ຽງ​ແລະ​ປອດ​ໄພ​, ທ່ານ​ຄວນ​ເຮັດ​ການ​ກະ​ກຽມ​ດັ່ງ​ຕໍ່​ໄປ​ນີ້​ດີກ​ວ່າ​ທໍາ​ອິດ​. ໂດຍສະເພາະ, ເຮັດການສໍາຮອງຂໍ້ມູນຢ່າງເຕັມທີ່ຂອງຂໍ້ມູນຂອງທ່ານ ກ່ອນທີ່ທ່ານຈະເຮັດຫຍັງ. Why? ບໍ່ມີໃຜສາມາດປະສົບການສູນເສຍຂໍ້ມູນ iOS ໃນກໍລະນີໃດກໍ່ຕາມ.

2.1 ກວດເບິ່ງວ່າອຸປະກອນຂອງທ່ານເຂົ້າກັນໄດ້ກັບ iOS 15 (ຫຼື iPadOS 14)

iOS 15 ແລະ iPadOS 14 ຈະສາມາດໃຊ້ໄດ້ກັບ iPhone ແລະ iPad ລຸ້ນໃຫຍ່ທັງໝົດ. ຈຸດຫນຶ່ງທີ່ຄວນສັງເກດ: ບາງຮຸ່ນທີ່ສະຫນັບສະຫນູນ iOS 12 ເຊັ່ນ iPhone 5/6 ບໍ່ຮອງຮັບ iOS 15 ອີກຕໍ່ໄປ. ນີ້ແມ່ນບັນຊີລາຍຊື່ຄົບຖ້ວນຂອງ iPhones, iPads ແລະ iPod ທີ່ iOS 15 ສາມາດຕິດຕັ້ງໄດ້ແນ່ນອນ.

iPhone
ios 15 compatible iphone

iPhone 2020 ຊ່ວງ
iPhone 11, 11 Pro ແລະ 11 Pro Max
iPhone SE (ລຸ້ນທີ 1, 2)
iPhone XS, XS Max ແລະ XR
iPhone X
iPhone 8 Plus
iPhone 8
iPhone 7 Plus
iPhone 7
iPhone 6S Plus
iPhone 6S

iPad
ios 15 compatible ipad

iPad Pro 12.9
ນິ້ວ iPad Pro
10.5 ນິ້ວ iPad Pro
9.7 ນິ້ວ iPad Pro
iPad 6th generation
iPad 5th generation
iPad iPad Air 3
iPad Air 2
iPad mini 4

iPod
ios 15 compatible ipod

iPod touch ລຸ້ນທີ 7

2.2 ສຳຮອງຂໍ້ມູນ iPhone/iPad ຂອງທ່ານກ່ອນການອັບເດດ iOS 15

ຢ່າລະເລີຍ: ການສໍາຮອງຂໍ້ມູນຢ່າງເຕັມທີ່ຂອງອຸປະກອນ iOS ຂອງທ່ານແມ່ນສໍາຄັນທີ່ສຸດກ່ອນທີ່ຈະອັບເດດ iOS 14. ການ​ສູນ​ເສຍ​ຂໍ້​ມູນ​ເກີດ​ຂຶ້ນ​ຢ່າງ​ຫຼວງ​ຫຼາຍ​ໃນ​ລະ​ຫວ່າງ​ແລະ​ຫຼັງ​ຈາກ​ທີ່​ປະ​ຊາ​ຊົນ​ອັບ​ເດດ iOS ເວີ​ຊັນ​ໃຫມ່​ໃນ​ທຸກໆ​ປີ​. ດັ່ງ​ນັ້ນ​, ຈື່​ຈໍາ​ທີ່​ຈະ ​ສໍາ​ຮອງ​ຂໍ້​ມູນ iPhone / iPad ຂອງ ​ທ່ານ​ກ່ອນ​ທີ່​ທ່ານ​ຈະ​ເຮັດ​ຫຍັງ​. ເມື່ອໃດກໍ່ຕາມທີ່ບໍ່ຄາດຄິດເກີດຂຶ້ນ, ພວກເຮົາສາມາດຟື້ນຟູຂໍ້ມູນຂອງພວກເຮົາໄດ້ຢ່າງງ່າຍດາຍຈາກການສໍາຮອງຂໍ້ມູນ iOS. ໃນ​ທີ່​ນີ້​ມີ 3 ວິ​ທີ​ການ​ສໍາ​ຮອງ​ຂໍ້​ມູນ iPhone / iPad ຂອງ​ທ່ານ​ໄດ້​ຢ່າງ​ງ່າຍ​ດາຍ​ແມ່ນ​.

backup iphone for ios 15 update
Backup iDevice ກັບ Dr.Fone
  1. ເຊື່ອມຕໍ່ iPhone/iPad ກັບ PC.
  2. ເລືອກປະເພດຂໍ້ມູນ.
  3. 1 ຄລິກ​ເພື່ອ​ສໍາ​ຮອງ iPhone/iPad ໃນ​ນາ​ທີ​.
ຂໍ້ດີ:
  • ໃຊ້ເວລາສໍາຮອງຂໍ້ມູນຢ່າງເຕັມທີ່, ຫຼືພຽງແຕ່ສໍາຮອງຂໍ້ມູນປະເພດຂໍ້ມູນທີ່ເລືອກ.
  • ການ​ສໍາ​ຮອງ​ຂໍ້​ມູນ​ໄດ້​ຢ່າງ​ງ່າຍ​ດາຍ​ສະ​ແດງ​ຕົວ​ຢ່າງ​.
  • ຟື້ນ​ຟູ​ຂໍ້​ມູນ​ກັບ iPhone/iPad ເລືອກ​.
ຂໍ້ເສຍ:

ບໍ່ແມ່ນຟຣີ

ຢູ່ໃນ PC
ຢູ່ໃນ Mac
backup iphone to icloud for ios 15

Backup iDevice ກັບ iCloud

  1. ເຊື່ອມຕໍ່ iPhone/iPad ຂອງທ່ານກັບເຄືອຂ່າຍ Wi-Fi.
  2. ໄປທີ່ Settings > [ຊື່ຂອງເຈົ້າ] > iCloud.
  3. ແຕະ Back Up ໃນປັດຈຸບັນ.
ຂໍ້ດີ:

ການແກ້ໄຂການສໍາຮອງຂໍ້ມູນທີ່ເປັນທາງການ. ພຽງແຕ່ 5 GB ຂອງການເກັບຮັກສາຟຣີ.

ຂໍ້ເສຍ:
  • ໃຊ້ເວລາຢ່າງໜ້ອຍ 20-30 ນາທີເພື່ອສຳຮອງຂໍ້ມູນ iPhone/iPad.
  • ບໍ່​ສາ​ມາດ​ເລືອກ​ສໍາ​ຮອງ​ຂໍ້​ມູນ​ແລະ​ການ​ຟື້ນ​ຟູ iPhone/iPad​.
  • ບໍ່ສາມາດເບິ່ງຂໍ້ມູນສຳຮອງໄດ້.
  • ຈໍາ​ເປັນ​ຕ້ອງ​ໄດ້​ຕັ້ງ​ຄ່າ​ໂຮງ​ງານ​ຜະ​ລິດ iPhone/iPad ເພື່ອ​ຟື້ນ​ຟູ​ຂໍ້​ມູນ​ສໍາ​ຮອງ​ຂໍ້​ມູນ​.
backup iphone in itunes for ios 15

Backup iDevice ກັບ iTunes

  1. ເປີດ iTunes ໃນ​ຄອມ​ພິວ​ເຕີ​.
  2. ເຊື່ອມ​ຕໍ່ iPhone/iPad ຂອງ​ທ່ານ​ກັບ​ຄອມ​ພິວ​ເຕີ​ຂອງ​ທ່ານ​.
  3. ກົດ File > ອຸປະກອນ > Backup, ຄລິກ Back Up Now ຈາກໜ້າສະຫຼຸບ.
ຂໍ້ດີ:
  • ບໍ່ຈໍາເປັນຕ້ອງດາວນ໌ໂຫລດຊອບແວພາກສ່ວນທີສາມ.
  • ບໍ່ຈໍາເປັນຕ້ອງຈ່າຍສໍາລັບການເກັບຮັກສາ iCloud ພິເສດ.
ຂໍ້ເສຍ:
  • ບໍ່ຮອງຮັບການສຳຮອງ ແລະການຟື້ນຟູແບບເລືອກສຳລັບ iPhone/iPad.
  • ຊ້າຂະບວນການສໍາຮອງຂໍ້ມູນແລະການຟື້ນຟູ.
  • ຜູ້ໃຊ້ຫຼາຍຄົນພົບຄວາມຜິດພາດໃນເວລາທີ່ໃຊ້ iTunes.

2.3 ສ້າງພື້ນທີ່ຫວ່າງສຳລັບການອັບເດດ iOS 15

When you update your iOS device wirelessly, you might see a message There's not enough available storage to download iOS 15. The new iOS 15 update installer is around 2GB. Your iPhone or iPad also requires 1.5 - 2GB additional free storage to install the iOS 14 update.

So, to update to iOS 15 smoothly, you need at least 4 - 5 GB of free space on your iPhone/iPad. To check available storage on iPhone, go to Settings > General > iPhone Storage. You can also follow the tips below to free up more space for iOS 15 update.

offload apps for ios 15 update
Offload Unused iOS Apps

Go to Settings > iTunes & App Stores and enable Offload Unused Apps. This will delete the iOS app but keep documents and data so you can restore it later from the App Store.

delete contents for ios 15 update
Delete Downloaded Contents

Videos and music usually takes a lot more storage than you expected. If you use Apple Music, go to Settings > Music > Downloaded Music. Swipe left on the music or album and tap Delete.

delete messages for ios 15 update
Delete Old Messages

Go to Settings > Messages > Message History > Keep Messages > select 30 days, and delete all the messages and attachments older than 30 days. See other tips on deleting iPhone messages.

erase phone for ios 15 update
Dr.Fone - Data Eraser (iOS)

With Dr.Fone - Data Eraser (iOS), we can easily delete all temporary files, App generated files, cached files and unused Apps to free up space. And it also compresses iPhone photos without quality loss.

Part 3. 3 Ways to Update to iOS 15

When the iOS 15 update comes out, your iPhone/iPad/iPod touch will receive the update notice. Generally there are two methods to install iOS 15 on your iPhone, iPad, or iPod touch: Over the Air and iTunes. You can choose either method to update your iPhone/iPad to iOS 15 based on actual situations.

3.1 Update to iOS 15 wirelessly and using iTunes

update to ios 15 over wifi

Update to iOS 15 Wirelessly

  1. Plug your device into power and connect to the Internet via Wi-Fi.
  2. Tap Settings > General > Software Update.
  3. Tap Download and Install.
  4. Tap Install. Or you can tap Later and choose Install Tonight or Remind Me Later.
  5. If asked, enter your passcode.
update to ios 15 with itunes

Update to iOS 15 via iTunes

  1. Install the latest version of iTunes on your computer.
  2. Connect your iOS device to computer.
  3. Open iTunes and select your iPhone/iPad/iPod touch.
  4. Click Summary, then click Check for Update.
  5. Click Download and Update.
  6. Enter your passcode of your iOS device.

3.2 Update to iOS 15 in 1 click

Steps to update to iOS 15:
  • Connect your iOS device to PC and launch Dr.Fone.
  • Click on the “Repair” module, and go to the iOS Repair option.
  • Select either mode. Confirm your choice by selecting the displayed iOS 15 version and click on the “Start”.
  • Sit back and wait for a while as the application would start downloading the compatible firmware for your iOS device.
Dr.Fone - System Repair (iOS)
  • Downgrade iOS by flashing the previous firmware.
  • Can also update iOS on your iDevices.
  • No dependence on iTunes.
  • Fix all iOS system problems like iOS freezing, white Apple logo, etc.
Get for PC Get for Mac

Part 4. Don't like iOS 15? Downgrade iOS 15 to iOS 14

iOS 15 mainly focuses on the "new look". Quite a few users reported that iOS 15 lacks equal focus on performance and stability. If iOS 15 is causing issues on your iPhone or iPad and driving you crazy, you can actually downgrade from iOS 15 to iOS 14 before Apple stops signing iOS 14 firmware.

Downgrade iOS 15 with Dr.Fone

1
Launch Dr.Fone on your computer and select Repair.
2
Select the standard mode to downgrade your iPhone, iPad, or iPod touch.
3
Select iPhone model, and specify iOS 14 as the firmware you want to download.
4
Once the firmware is downloaded, click Fix Now.
5
After a few minutes, your iPhone will restart and you will have iOS 14 on your iPhone/iPad.

Notice:

  • Make sure to select the "Standard Mode". So your data will remain intact after you downgrade to iOS 14.
  • Dr.Fone - Repair can also help you fix various issues you face with iOS 15 update or downgrade.
  • Click on https://ipsw.me/product/iPhone to check whether the compatible firmware is available.
downgrade ios 15 to ios 14

Downgrade iOS 15 with iTunes

1
Backup your iPhone with Dr.Fone.
2
Go to ipsw.me, select your iPhone model and download the proper IPSW file.
3
Turn off Find My iPhone.
4
Connect your iOS device to computer and run your iTunes.
5
Put device into DFU mode.
6
Search your device icon on iTunes and click it > Choose Summary tab and, (For Mac) press "Option" and click "Restore iPhone (or iPad/iPod)..."; (For Windows) press "Shift" and click "Restore iPhone (or iPad/iPod)…".
7
Find previous iOS ipsw file you have downloaded, select it and click "Open".

Notice:

  • iOS 15 downgrade with iTunes may result in complete data loss. It's very important to backup your data first.
  • You cannot restore your device with the backup that you created with iCloud/iTunes before downgrading. So remember to backup your iPhone with a 3rd party backup tool.

Part 5. iOS 15 Update Tips & Tricks

apps crashing

iPhone apps crashing on iOS 15

App crashing on iOS 15 is the most annoying issue. It arises due to reasons like insufficient memory, system glitches, etc. Check how it is fixable now.

ipados stuck installing

iPadOS 15 stuck on installing

Many people attempted to install iPadOS 15, the first OS Apple tailored for iPad, but finally found the installation just got stuck. Check how to fix quickly.

itunes backup

Cannot restore iTunes backup

Apple’s suspension of iTunes updates may somewhat account for frequent failure to restore iTunes backup on iOS 15. Check how tech geeks resolve this.

downgrade ios 15

Downgrade from iOS 15

Downgrading from iOS 15 without computer may be an ideal option when iOS 15 does not fit your appetite. Follow this tutorial to start the iOS downgrade.

ios 15 update tips and tricks
bricked ipad

iPadOS 15 bricked iPad

iPadOS 15 comes with many amazing features. But what if iPadOS 15 just bricks your iPad before you can even access them. Well, you are not alone. Fixes here!

iphone locked

Cannot get into iPhone on iOS 15

There are many complaints that screen cannot be unlocked when iPhone asking for passcode after iOS 15 update. Find all the tested ways to get around.

music disappearing

Music disappeared after iOS 15 update

It’s disastrous for music lovers after iOS 15 update. This article is designed to troubleshoot this issue by providing 5 solutions to get back your music.

ios 15 lagging

iOS 15 lagging & crashing

If you too have faced iOS 15 crashing or lagging issues, it’s actually easier to fix than you think. Let's check how to fix crashing or lagging issues now.