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This article will explain in detail about the second generation of computer WP model upgrade FCU error 0x80070273 solution, the editor thinks it is very practical, so share it for you to do a reference, I hope you can get something after reading this article.

As we all know, Microsoft abandoned a large number of second-generation Windows Phone models when it released Windows 10 Mobile, the most representative of which is the Nokia Lumia x2x series. Later, a god released the method of directly upgrading Windows 10 Mobile by pushing offline packages to mobile phones, so that older models that are not supported can be upgraded to Version 1511 by offline push, thus easily modifying the devices that can be upgraded under the guise of the model, and continue to obtain the annual update Version 1607 and the creator update Version 1703.

However, after some second-generation devices upgrade to Build 15063.297 of 1703 in this way, and then try to get the creator to update the autumn version of Version 1709, the system will continue to report errors in 0x80070273 and cannot be updated, and changing the model, adding a preview, or resetting the phone cannot be solved. This problem occurs because an OEMInput.xml file used to describe the hardware platform, language and other related information in the system is congenitally incomplete, or for some reason is destroyed, resulting in subsequent upgrades can not read the required information. Under normal circumstances, this error will only occur with a 100% probability of recurrence on certain second-generation models (congenitally incomplete), as well as on other Windows 10 Mobile devices (acquired damage, the solution is theoretically the same, can be referred to).

0x80070273 error prompt encountered when ▲ second-generation models try to upgrade FCU

The existing solutions on the Internet are to swipe back to Windows Phone 8.1 and then try to upgrade, but this solution is very random, not necessarily successful, and time-consuming. For those users who are still stuck in the Win10M version of the problem and do not want to swipe back WP8.1, the author here provides you with a different solution. The advantage of this solution is that it does not need to roll back the system and can operate under the current Win10M version.

It's a clich é before you start: all operations on the system are risky, so be careful and keep in mind that if you don't do it properly, you may encounter problems such as not being able to boot, and you may need to hard reset or even refresh the system, resulting in the loss of all data. so please back up important data before you operate.

Install Interop Tools (RC): I won't go into details here (I think if you can upgrade to Creators Update on a second-generation model, you should have it installed or already installed).

Unlock the full file system access: open Interop Tools (RC), select "This Device", click "three" in the upper left corner to expand the hamburger menu, find "Interop Unlock", turn on the switch "Full Filesystem Access" (if once is unsuccessful, try several times), and then restart the phone.

▲ uses Interop Tools to unlock full file system access

Tip: this process is irreversible, that is, when you successfully unlock the full file system access, this switch cannot be turned off again in Interop Tools. If you want to find common folders (documents, photos, etc.) that previously existed in the root directory, please go to Phone\ Data\ Users\ Public. If you can't stand this, please reset the phone after completing the next steps and installing all the updates, and then return to normal.

Connect your phone to a computer with a USB cable (here use Windows 10 for demonstration, if you use Linux or macOS, make sure you can access and modify the data in the MTP device): open your device, enter the Phone drive letter, and you will see all the system directories. Please be careful not to delete or modify any files without knowing it, or you may damage your phone's operating system.

Go to Phone\ Windows\ ImageUpdate, find the current original version of OEMInput.xml file, copy it to a place on your computer where you can find it, rename it and add a prefix or suffix to mark it out (for example, the author's machine is Lumia 520T, marked as OEMInput_520T.xml).

The location of OEMInput.xml in the directory of ▲ mobile phone system

Find the original OEMInput.xml file you just copied to your computer, right-click "Edit" to open it with "notepad", and put it aside (you can also use more code-friendly editing tools such as Notepad++; if you use Linux or macOS, make sure you have installed the same software).

▲ the OEMInput.xml file copied from the author's Nokia Lumia 520T has only two lines of code.

Visit Microsoft's technical documentation page

The web address is as follows

Https://docs.microsoft.com/en-us/previous-versions/windows/hardware/flashing/dn756630(v=vs.85)

In the open web page, check the directory tree on the left to make sure that the "Build a mobile image using ImgGen.cmd" topic is currently open, then look down for the "OEMInput file example" title (you can press Ctrl+F and retrieve the keyword "ProductionOEMInput.xml", which can be found in the second location where the keyword appears), and click the "Copy" button in the upper right corner of the code pane below to copy the contents of the sample file.

▲ copies the complete code of the OEMInput.xml sample file from Microsoft's technical documentation

Open notepad (or create a new text document) and paste in the code you just copied.

▲ the OEMInput.xml file we created and the location that needs to be modified

1) change "{PROCESSOR_NAME}" to the SoC model of your phone at "{PROCESSOR_NAME}". You can find a string of numbers (some models may have a letter suffix) in "Settings"-"system"-"about"-"SOC Chip version". Adding the letter "QC" before these numbers (and letter suffix) is what you need to fill in here (for example, the author uses Nokia Lumia 520T QC8827 should be filled in here. However, Lumia 920 (non-national bank) / 925 Lumia 1020 should fill in QC8960, and national bank Lumia 920 should fill in QC8260A).

2) in the "480x800" place, change "480x800" to your phone's screen resolution, which you can find in the phone's "Settings"-"system"-"about"-"device information"-"screen resolution" (for example, the author's mobile phone screen happens to be at this resolution, so there is no need to modify it; while the Lumia 920UP925 hand 1020 needs to be changed to 768x1280, and so on).

▲ finds the data needed to modify the code in the device Information.

3) at all "en-US", change "en-US" to "zh-CN" (or change it to your main language. But I think the readers of this article are all Chinese, right? )

4) at "en-US" and "en-US", modify "en-US" to the data in your original file (if you don't have these two lines of code at all, you can keep it the same).

The contents of the self-made full version of the OEMInput.xml file that ▲ has modified

Save the modified code document as "OEMInput.xml": select "File"-"Save as", select "Save as" to "all Files", "File name" fill in "OEMInput.xml" (note case), and save it where you can find it (if you created a new text document directly, please save the file directly and close notepad, then change the new text document .txt to "OEMInput.xml". Be sure to change the extension).

▲ saves a text document as an OEMInput.xml file

Comparison between the full version of OEMInput.xml files made by ▲ and the incomplete version of the original machine

Connect the target device that unlocked the full file system access in the first step to the computer, open the MTP device, and navigate to the directory Phone\ Windows\ ImageUpdate.

Copy the full version of OEMInput.xml you just made and paste it into this directory, and then select replace.

Open the replaced OEMInput.xml and check its contents to make sure that the replacement has been completed correctly.

Unplug the data cable, restart the phone, make sure the model has been changed and disguised as a model that can be upgraded, and then re-check for updates in the phone settings, and you should be able to get the Fall Creators Update update correctly.

This file has been successfully repaired, and even if it is reset, it will not be restored, that is to say, it will be able to upgrade and update smoothly in the future, once and for all. Go have fun!

If the update download is complete and you are preparing to install the Times error and prompt "We cannot install the update because there is a problem with the date and time information on your device", it may be because the certificate of the Microsoft server has expired again (just like the WP8.1 App Store a few days ago) Please temporarily change the time zone of the phone to US Eastern time and date to February 16, 2018 (the time does not need to be modified) to update smoothly, and change it back after the update is completed.

Well, this is the end of this tutorial, please remember: WPer never gives up. Good luck!

Tips:

Replace the original version with the self-made full version of OEMInput.xml

Now modify the code you just pasted:

3. Make a complete OEMInput.xml to replace the incomplete version of the original machine.

Use the computer to extract and back up the OEMInput.xml files of the original computer

Use Interop Tools to enable full file system access to MTP

On "the second generation of WP computer model upgrade FCU error 0x80070273 solution" this article is shared here, I hope the above content can be of some help to you, so that you can learn more knowledge, if you think the article is good, please share it out for more people to see.

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