How to Update to iOS 15
iOS 15 मा कसरी अपडेट गर्ने
iOS 15 Update Problem
iOS 15 अद्यावधिक समस्याहरू
How to Downgrade
कसरी डाउनग्रेड गर्ने

iOS 15 डाउनग्रेड: यसलाई सुरक्षित र सजिलै कसरी गर्ने

• डाउनग्रेडको लागि तयारी गर्नुहोस्
• iOS 15 लाई कसरी डाउनग्रेड गर्ने
• iOS 15 डाउनग्रेड उपकरण चयन
• डाउनग्रेड समस्या समाधानहरू
• iOS 15 डाउनग्रेड FAQs

भाग 1. तपाईं iOS 15 डाउनग्रेड? को लागि राम्रोसँग तयार हुनुहुन्छ

भर्खरको आईओएस अपडेट जारी गरिएको छ, तर प्रयोगकर्ताहरूले पहिले नै यसको केही ग्लिचहरूको बारेमा गुनासो गरिरहेका छन्। यी समस्याहरू हटाउन, तपाईंले iOS 15 डाउनग्रेड गर्ने विचार गर्न सक्नुहुन्छ। यद्यपि, तपाईंले एक कदम पछाडि हट्नुपर्छ र यसको नतिजा बुझ्नुपर्छ। उदाहरणका लागि, एक डाउनग्रेडले तपाईंको फोनमा रहेका तस्बिरहरू, एपहरू, सम्पर्कहरू, इत्यादि सहित सबै अवस्थित डाटा मेटाउन सक्छ। त्यसैले, तपाईंले iPhone मा iOS 15 अपडेटलाई अनडू गर्नु अघि आवश्यक सावधानीहरू अपनाउनु महत्त्वपूर्ण छ।

1.1 आफ्नो उपकरण ब्याकअप गर्नुहोस्

यो सबैभन्दा महत्त्वपूर्ण कुरा हो जुन तपाईंले iOS 15 लाई पहिलेको स्थिर संस्करणमा डाउनग्रेड गर्नु अघि ध्यान दिनु पर्छ। जब हामीले iOS उपकरणलाई डाउनग्रेड गर्छौं, यसले यसमा भण्डारण गरिएका सबै डेटा मेटाउन सक्छ। मिडिया फाइलहरू देखि एप डेटा सम्म - तपाईंले प्रक्रियामा आफ्नो फोनमा अवस्थित सबै सामग्री गुमाउन सक्नुहुन्छ। तसर्थ, iOS 15 बाट स्थिर संस्करणमा कसरी डाउनग्रेड गर्ने भनेर सिक्ने उत्तम तरिका भनेको आफ्नो फोनको ब्याकअप लिनु हो। यस तरिकाले, तपाईंले डाउनग्रेड समाप्त गरेपछि, तपाईं सजिलैसँग आफ्नो महत्त्वपूर्ण डाटा ब्याकअप पुनर्स्थापित गरेर फिर्ता पाउन सक्नुहुन्छ।
Dr.Fone सँग ब्याकअप iDevice
  • १कम्प्युटरमा आफ्नो iPhone वा iPad जडान गर्नुहोस्।
  • २डेटाको प्रकार ह्यान्डपिक गर्नुहोस्, वा सबै चयन गर्नुहोस्।
  • ३स्थानीय रूपमा यन्त्र डेटा जगेडा गर्न "ब्याकअप" बटनमा क्लिक गर्नुहोस्।
अद्वितीय सुविधाहरू:
  • •यसका सम्पर्कहरू, कल लगहरू, सन्देशहरू, तस्बिरहरू, भिडियोहरू, आदि सहित सम्पूर्ण iOS यन्त्रलाई ब्याकअप गर्नुहोस्।
  • •कुनै पनि अनुकूलता समस्या बिना एक उपकरणबाट अर्को (वा एउटा iOS संस्करण अर्कोमा) आफ्नो डेटा ब्याकअप र पुनर्स्थापना गर्नुहोस्।
  • •अवस्थित iCloud वा iTunes ब्याकअप निकाल्नुहोस् र यसलाई हाम्रो मनपर्ने उपकरणमा पुनर्स्थापना गर्नुहोस्।
  • •ब्याकअप फाइलबाट डेटालाई छनोटपूर्वक पुनर्स्थापना गर्न पूर्वावलोकन गर्नुहोस्। ब्याकअप रिस्टोर गर्दा अवस्थित डाटा राखिनेछ।
डाउनलोड गर्नुहोस् डाउनलोड गर्नुहोस्

iTunes संग iDevice ब्याकअप गर्नुहोस्

  • १iTunes को अद्यावधिक संस्करण सुरु गर्नुहोस्, र यसमा iOS उपकरण जडान गर्नुहोस्।
  • २यसको "सारांश" ट्याबमा जानुहोस् र "ब्याकअप" ट्याब अन्तर्गत सान्दर्भिक विकल्प फेला पार्नुहोस्।
  • ३आफ्नो यन्त्रको जगेडा बचत गर्न "ब्याक अप अब" बटनमा क्लिक गर्नुहोस्।
ध्यान दिनुपर्ने कुराहरु:
  • •iTunes ले तल्लो संस्करणको उच्च संस्करणको ब्याकअप पुनर्स्थापना गर्न सक्दैन। त्यसैले तपाईंले आफ्नो यन्त्रलाई iOS 15 मा अपग्रेड गर्नु अघि यसको ब्याकअप लिनुपर्छ।
  • •डेटा पूर्वावलोकन गर्न र छानेर यसलाई पुनर्स्थापना गर्न कुनै प्रावधान छैन।
  • •ब्याकअप रिस्टोर गर्दा iTunes ले तपाईंको iPhone मा अवस्थित डाटा मेटाउँछ।
अब iTunes प्राप्त गर्नुहोस्

1.2 iOS डाउनग्रेडको लागि समय सीमा बुझ्नुहोस्

iOS संस्करण डाउनग्रेड गर्ने सम्पूर्ण प्रक्रिया समय-संवेदनशील छ, जुन धेरै प्रयोगकर्ताहरूलाई थाहा छैन। यसबारे विस्तृतमा कुरा गरौं।

  • यदि तपाइँसँग iOS बिटा संस्करण स्थापित छ भने, तपाइँ जुनसुकै बेला (आधिकारिक सार्वजनिक iOS संस्करण जारी नभएसम्म) iOS बिटालाई अघिल्लो स्थिर संस्करणमा डाउनग्रेड गर्न सक्नुहुन्छ।
  • स्थिर सार्वजनिक iOS संस्करणको रिलीज पछि, तपाइँसँग तपाइँको यन्त्रलाई अघिल्लो अवस्थित iOS संस्करणमा डाउनग्रेड गर्न 14 दिन मात्र छ।

1.3 iOS 15 बाट डाउनग्रेड गर्न सही संस्करण चयन गर्नुहोस्

आदर्श रूपमा, तपाईंले iOS 15 लाई पहिलेको स्थिर संस्करणमा मात्र डाउनग्रेड गर्न सक्नुहुन्छ। उदाहरणका लागि, यदि तपाइँ iOS 15 डाउनग्रेड गर्न चाहनुहुन्छ भने, तपाइँ मात्र यसको अघिल्लो स्थिर रिलीजमा फर्कन सक्नुहुन्छ, जुन Apple द्वारा हस्ताक्षर गरिएको छ। उपयुक्त फर्मवेयर उपलब्ध छ कि छैन भनी जाँच्नको लागि तपाईले IPSW.me भ्रमण गर्न सक्नुहुन्छ ।

१.४ एप्पलले हस्ताक्षर नगरेको संस्करणमा कसरी डाउनग्रेड गर्ने भनेर जान्नुहोस् (आवश्यक भएमा)

तपाईंलाई थाहा छ, iOS 15 लाई डाउनग्रेड गर्नको लागि, तपाईंले यसको आधिकारिक रिलीजको 14 दिन भित्र आवश्यक कदमहरू चाल्नुपर्छ। साथै, प्रयोगकर्ताहरूले अघिल्लो स्थिर संस्करणमा मात्र रोल ब्याक गर्न सक्छन्। यद्यपि, यदि तपाईंले 14-दिनको अवधि पार गर्नुभयो र एप्पलले हस्ताक्षर नगरेको संस्करणमा डाउनग्रेड गर्न चाहनुहुन्छ भने, तपाईंले तेस्रो-पक्ष उपकरण प्रयोग गर्न आवश्यक छ। TinyUmbrella वा TaigOne Downgrader जस्ता उपकरणहरूको सहायता लिएर, तपाईंले उपकरणमा कुनै पनि समर्थित iOS संस्करण स्थापना गर्न सक्नुहुन्छ। तिनीहरूले एप्पलको हस्ताक्षरको नक्कल गर्छन्, हामीलाई iDevices मा व्यक्तिगत फर्मवेयर (iOS संस्करण) स्थापना गर्न दिन्छ।

यद्यपि सम्पूर्ण प्रक्रिया धेरै प्राविधिक हुनेछ, र यसले सकारात्मक नतिजा ल्याउन सक्दैन। यी तेस्रो-पक्ष उपकरणहरू Apple द्वारा समर्थित नभएकाले, तपाईंले यो गर्नको लागि आफ्नो यन्त्र जेलब्रेक गर्न आवश्यक छ। यो सिफारिस गरिएको छैन किनकि यसले तपाइँको यन्त्रको वारेन्टीलाई असर गर्छ र तपाइँसँग आधिकारिक iOS विज्ञप्तिहरूमा पनि पहुँच हुनेछैन। यसबाहेक, यसले तपाइँको उपकरणलाई अनावश्यक सुरक्षा खतराहरूको लागि कमजोर बनाउँदछ।

भाग २. कसरी iOS 15 लाई सुरक्षित रूपमा डाउनग्रेड गर्ने?

अब जब तपाईं iOS 15 लाई डाउनग्रेड गर्नका लागि सबै पूर्व शर्तहरू बारे सचेत हुनुहुन्छ, तपाईं सजिलैसँग आफ्ना आवश्यकताहरू पूरा गर्न सक्नुहुन्छ। आदर्श रूपमा, तपाईंले iOS 15 बाट कसरी डाउनग्रेड गर्ने भनेर जान्न iTunes वा कुनै अन्य तेस्रो-पक्ष उपकरणको सहायता लिन सक्नुहुन्छ। कुनै पनि अवस्थामा, तपाईंको उपकरणको ब्याकअप पहिले नै राखिएको छ भनी सुनिश्चित गर्नुहोस्। तपाईंको लागि चीजहरू सजिलो बनाउनको लागि, हामीले iOS 15 डाउनग्रेड गर्नका लागि दुई समाधानहरू प्रदान गरेका छौं।

2.1 iOS 15 डाउनग्रेड गर्न एक-क्लिक समाधान

iOS 15 मा अद्यावधिक गर्न चरणहरू:
  • आफ्नो iOS यन्त्रलाई PC मा जडान गर्नुहोस् र Dr.Fone सुरु गर्नुहोस्।
  • "मरम्मत" मोड्युलमा क्लिक गर्नुहोस्, र iOS मर्मत विकल्पमा जानुहोस्।
  • कुनै मोड चयन गर्नुहोस् र प्रदर्शित आईओएस संस्करण चयन गरेर आफ्नो छनोट पुष्टि गर्नुहोस् र "स्टार्ट" मा क्लिक गर्नुहोस्।
  • पछाडि बस्नुहोस् र केहि समय पर्खनुहोस् किनकि अनुप्रयोगले तपाइँको iOS उपकरणको लागि उपयुक्त फर्मवेयर डाउनलोड गर्न सुरु गर्नेछ।

    • नोट: कृपया https://ipsw.me/product/iPhone मा जाँच गर्नुहोस् कि मिल्दो फर्मवेयर डाउनग्रेड गर्नु अघि उपलब्ध छ।

drfone android box
Dr.Fone - प्रणाली मर्मत (iOS)
  • अघिल्लो फर्मवेयर फ्ल्यास गरेर iOS मा अपडेट गर्नुहोस्।
  • आफ्नो iDevices मा iOS पनि अद्यावधिक गर्न सक्नुहुन्छ।
  • iTunes मा कुनै निर्भरता छैन।
  • आईओएस फ्रिजिङ, सेतो एप्पल लोगो, आदि जस्ता सबै iOS प्रणाली समस्याहरू समाधान गर्नुहोस्।
PC को लागी प्राप्त गर्नुहोस् Mac को लागी प्राप्त गर्नुहोस्

2.2 डाउनग्रेड iOS 15 iTunes प्रयोग गरेर

Though, there are a lot of users who wish to take the assistance of iTunes to do the same. While you can perform iOS 15 downgrade with iTunes, it has its own cons. For instance, you might end up losing the existing data on your phone as it would restore your device to its factory settings. The process is also a bit technical, and you might end up damaging your device in the process.

What you need:
  • The latest version of iTunes
  • IPSW file you wish to install
Steps to downgrade iOS 15 with iTunes
  • Beforehand, Find my iPhone service on your device should be turned off. To do this, unlock it and go to its iCloud Settings > Find my iPhone to disable it. You need to enter your Apple ID and password to confirm this.
  • Now, connect your iOS device to the system and launch an updated version of iTunes on it. Click on the device icon and select your iPhone/iPad.
  • Go to its “Summary” tab and hold the Option Key (on Mac) or the Shift Key (on Windows) while clicking on the “Update” button.
  • This will open a browser window, letting you go to the location where the downloaded IPSW file is saved.
  • Select and load the IPSW file on iTunes and confirm your choice to forcefully update the connected device. Wait for a while and let iTunes complete the iOS 15 downgrade.
operate with itunes

Part 3. Best iOS 15 Downgrading Tools

As you can see, sometimes it can be tough to undo an iOS 15 update on iPhone or iPad. To make the entire process simpler, there are tons of third-party tools that you can try. Not only will they let you downgrade iOS version without losing data, but they would also yield better results. Also, if you have a jailbroken device, then you can even downgrade it to any previous iOS version. Let’s get to know more about the features and flexibility of some of these readily available tools.

3.1 Downgrading Tools for Common People (Fast & Easy to Use)

If you are a beginner and do not have a lot of technical knowledge about iOS downgrading, then consider picking either of the following tools.

3.2 Downgrading Tools for Tech-savvy Users (Complex But Can Achieve More)

If you want more flexibility with your device and have decent technical experience, then you can also explore some of these options too.

tips

What are SHSH blobs for iPhone?

Both SHSH and SHSH2 blobs are referred to digital signatures deployed by Apple on respective IPSW files. This protects the authenticity of the IPSW files and only signed software would be installed on the device. When Apple releases a new iOS version, it stops signing the previous version. In this way, users need to upgrade to the latest public iOS version. This is where previously saved SHSH blobs are used to forge these signatures in order to downgrade our devices.

Part 4. iOS 15 Downgrading Troubleshooting

4.1 iOS 15 Downgrade Failed Many Times

This is one of the most common issues that users face while downgrading their iOS devices. The chances are that while downgrading your device, the process would stop in between unexpectedly.

It happens when we try to downgrade the device to an incompatible iOS version. A faulty internet connection or low free space on the device can also trigger it.

Quick Fixes:
  • Check the iOS version: Needless to say, if you are trying to downgrade your device to an iOS version it no longer supports, then you might face unwanted issues. Ideally, you should try to downgrade iOS 15 to a previous version and not any other existing one.
  • Have a stable internet connection: An inconsistent internet connection is another prominent cause for this error. It happens when the download of the iOS update is halted in between (due to a poor connection). Therefore, make sure that the device stays connected to a working and fast internet connection for a seamless downgrading. You can go to your phone’s WiFi settings to further diagnose this.

4.2 iOS Stuck in Recovery/DFU Mode/Apple Logo

While downgrading your device, your phone might get stuck in the recovery mode, Apple logo, or the DFU mode screen. The situation might seem a bit tedious, but you can try to resolve it by forcefully restarting your phone in most of the cases.

Downgrading from an unstable version, the download process of the firmware update has been halted in between, or any other firmware related issue.

Quick Fixes:
  • Forcefully restart your device: By applying the correct key combinations, we can forcefully restart an iOS device and resolve this issue. Since it resets the current power cycle of the device, it is also known as a soft reset. If you own an iPhone 6s or an older generation phone, then long press the Power and Home button for at least 10 seconds. Users with an iPhone 7 or iPhone 7 Plus can press the Power and the Volume Down button. Keep pressing them until your phone restarts. For iPhone 8 and newer versions, you need to quick-press the Volume Up button first. Let it go and quick-press the Volume Down button. Subsequently, hold the Side button and let it go once the phone restarts.
  • Connect it to iTunes: In case if your phone is stuck in recovery or DFU mode, and you haven’t connected it to iTunes, then do the same. In no time, iTunes will automatically detect that your device is in the recovery mode and display the following prompt. Just confirm your choice and restore your device to factory settings to fix this.

4.3 iOS 15 Downgrade stuck on “Attempting data recovery”

The final step in the downgrading process is when the existing data on the device is recovered. Though, while doing so, the device might get stuck in the process and end up in the same loop.

An incompatible iOS version, loose connections, jailbroken device, lack of free storage, or any other related issue.

Quick Fixes:
  • Check whether your iPhone is jailbroken: Mostly, users get this error while performing iOS 15 downgrade on a jailbroken device. If your device is jailbroken, then you should not use iTunes to downgrade it. Instead, use a readily available tool like iFaith or TinyUmbrella to do the same.
  • Boot your iPhone in Recovery Mode: You can also take the assistance of iTunes and boot your device in the Recovery Mode to resolve this problem. To do this, just launch iTunes on your system and connect your phone to it. Now, using the correct key combinations, forcefully restart your device (already listed above). Subsequently, iTunes will detect as soon as your phone boots in the Recovery Mode. When you get the following prompt, click on the “Restore” button to reset your device.

4.4 iOS 15 Downgrade with iTunes won’t work

Most of the users take the assistance of iTunes (and an IPSW file) to downgrade iOS 15. Though, if there is a problem with the file, your device, or iTunes, then the process might not work.

An unsupported version of iTunes, corrupt IPSW file, or conflict with the device itself can result in this error.

Quick Fixes:
  • Check the IPSW file: Firstly, make sure that you have downloaded the correct IPSW file from a trusted source. Also, the IPSW file should be compatible with your iOS device else you might face this issue.
  • Disable Find my iPhone: Before you connect your device to iTunes, make sure that the Find my iPhone feature is disabled in it. To do this, go to its iCloud Settings > Find my iPhone and simply turn off this feature. This will not cause any conflict when you undo an iOS 15 update on iPhone.
  • Update iTunes: Needless to say, you should use an updated version of iTunes to downgrade iOS 15. Just launch iTunes on your system and go to Help > Check for Updates. This will make iTunes check for any available update. After finishing the update, you can restart your system and reconnect your device.

4.5 iPhone stuck in a loop trying to restore during downgrade

While restoring the device during the downgrading process, your device might get stuck. For instance, it can get stuck in a restart loop, not letting you access the device.

Lack of free space on the device, corrupt storage, incomplete update, bad IPSW file use, or any other compatibility issue.

Quick Fixes:
  • Force restart your device: This will reset the present power cycle of your device and will let you fix any minor issue related to it. To do this, you need to press certain keys on your device. We have already listed the correct key combinations to force restart a device in the previous sections.
  • Restart the process: If the downgrading process has been halted in between and your phone keeps restarting, then force restart it first. Now, connect it to iTunes or use any other third-party tool to undo an iOS 15 update on iPhone all over again.
  • Use a 3rd party tool: If nothing else seems to work, then consider using a dedicated iOS repairing tool like Dr.Fone - System Repair (iOS). It can fix all kinds of iOS and iTunes related issues without causing any harm to your device. Just launch the application and follow a simple click-through process to put your phone out of the loop and downgrade it to a stable iOS version.

4.6 iOS 15 Downgrade won’t work using SHSH

SHSH Blobs are Apple signatures that are needed to downgrade iOS 15 in a timely manner. Their absence or a wrong SHSH entity can tamper with the downgrading process.

Wrong SHSH blob, corrupt unit by a third-party dump, or an expired SHSH blob can be some of the major reasons for this.

Quick Fixes:
  • Use an SHSH blobs dumper: There are tons of readily available third-party SHSH dumpers (like iFaith) that you can try. Though, most of these applications will require a jailbroken device. You can simply connect your device or provide its model to obtain an ideal SHSH blob.
  • Obtain your device’s SHSH blob: You can connect your iPhone/iPad to the system and launch iTunes on it. Select your device and go to its Summary. Click on the “Serial Number” field a few times, till it displays the ECID number. Now, copy the ECID code and go to any online source to convert it into hexadecimal code.

4.7 Lost all data after iOS 15 Downgrade

This is one of the worst nightmares for any iOS user. After completing the downgrade, the chances are that you might end up losing all the saved photos, videos, contacts, messages, and other important files from your phone.

The process could be halted in between, a corrupt device, bad firmware, and so on. An upgrade to an unstable release of iOS can also cause data loss on your device.

Quick Fixes:
  • Use a data recovery tool ASAP: If you have suffered from an unwanted data loss on your device, then take the assistance of an iOS data recovery program . A part of the Dr.Fone toolkit, it is one of the first and the most successful data recovery tools for iOS devices. All you need to do is connect your device and launch the application. Follow a simple click-through process to extract all kinds of lost or deleted data from your device. The application will let you preview the extracted data, letting you selectively save it to the location of your choice.

4.8 Backup cannot be restored after iOS 15 downgrade

Even after losing their data while downgrading an iOS device, users try to restore an existing backup. Sadly, there are times when the previous iTunes or iCloud backup ceases to restore on the downgraded device.

The problem usually occurs due to a compatibility issue among various iOS versions. For instance, you could have taken the backup of your device when it was running on another iOS version and now you are trying to restore it on an unsupported iOS version.

Quick Fixes:
  • You can load a previous iTunes or iCloud backup using a iOS restoring tool and even preview its data on its interface. For instance, to restore an iCloud backup, you simply need to log-in to your iCloud account. The application will list the available backup files for you pick an ideal option. In this way, you can easily restore your data without erasing the existing content on your device.

Part 5. FAQs about iOS 15 Downgrade

Yes, you can downgrade iOS to a previous version signed by Apple. Users get 14 days after a public official release to do it. If you have upgraded your device to a version, then you can downgrade to a stable version easily (until 14 days after the release of its stable version).

There are all kinds of ways to undo an iOS 15 update on iPhone. If you want, you can take the assistance of iTunes to do the same. Though, to downgrade iOS 15 without losing data, consider using a more sophisticated tool like Dr.Fone - System Repair (iOS). In case if you have a jailbroken device, then you can even give tools like TinyUmbrella a go.

When we install an iOS version on the device, the Apple server asks for a digital signature to authenticate it. A signed IPSW file would have a verified signature issued by Apple, letting us upgrade/downgrade the device without any hassle. Therefore, if an IPSW file is not signed by Apple, then it will not be recognized by the server and the upgrading/downgrading process won’t be completed.

There are all kinds of SHSH dumps and readily available third-party tools that can help us force Apple’s signature and create SHSH blobs even after Apple stops signing them. Though, you should know that Apple might revoke the authentication of such SHSH blobs anytime. To do this, you need to have a jailbroken device and use a dedicated tool like iFaith or FutureRestore.

The Apple Software Program lets us test the releases of iOS before the public availability. You can join or leave the program anytime you want without spending anything. If you want to leave it, then go to the Unenroll section of the website.

apple beta program

Ideally, you can’t downgrade your device to an unsigned iOS version. This is because the Apple server won’t authenticate your downloading request without a valid SHSH blob. That is why users take the assistance of a previously saved SHSH blob to do the same. You can also use a third-party downgrading tool to do it as well.

After downgrading an iOS update, you might find an existing software profile on your device storage. To remove this, just go to your device’s Settings > General > Profile and select the iOS profile from here. Tap on the “Delete Profile” option and confirm your choice to remove it.

You can restore a previously stored SHSH blob from your device or forge Apple’s signature. There are a few third-party tools like FutureRestore that can help you do the same. You can also choose to dump your SHSH blobs in order to use them afterward. Though, in most of the cases, users have to jailbreak their device in order to do it.