About Ump Language Locales

哈哈不想哈哈

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Dec 9, 2025, 6:09:25 AM 12/9/25

to Google Mobile Ads SDK Developers

hi:

I'm currently using the AdMob User Messaging Platform.
But something magical happened.
First, select the language in System Settings as shown in the sequence below:

Then use the program I provided. First, click the 'load ump' button and wait a moment. Second, click two click button , The text on the second page has been changed to English. It was supposed to display Japanese.

What is the issue? Why is it affecting the app's language? How can I resolve this problem?

The demo program cannot be added to the attachment when compressed into a ZIP file.

thanks

哈哈不想哈哈

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Dec 9, 2025, 6:16:44 AM 12/9/25

to Google Mobile Ads SDK Developers

View language order through resources.configuration.locales api

The language order for the application startup is: [ja_JP, zh_CN_#Hans, tr_TR, pt_PT, en_US, zh_TW_#Hant, es_ES]

However, after invoking UMP, the language order was adjusted to [zh_CN_#Hans, tr_TR, pt_PT, ja_JP, en_US, zh_TW_#Hant, es_ES].

Why is this happening? Why did ump change the language order in the app?

Mobile Ads SDK Forum Advisor

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Dec 9, 2025, 11:55:34 AM 12/9/25

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Hi,

Thank you for contacting the Mobile Ads SDK support team.

Could you please confirm if this issue occurs in our Google sample application ?

To help us investigate further, please provide the following details:

The Mobile SDK version
Confirmation if this is happening on specific devices or all devices
Your sample project

If the file(s) you are looking to share are less than 25mb in total you can attach them to this case on your next reply. If you are having trouble attaching your file to this case or if your file(s) are larger than 25mb, you can share your files with me by performing the following steps:

1. Navigate to https://docs.google.com/forms/d/e/1FAIpQLSfkAiXMeYP-fw1W3Z-tT9uwmATEKO5X6S-th0gR2ezdKaaqfg/viewform?usp=pp_url&entry.400550049=Mobile+Ads+SDK&entry.460850823=500Ht00001wmhQdIAI&entry.80707362=00347288

2. Fill out all fields, and attach your file(s).

3. Please reply back on this thread when you have uploaded your file(s). Please do not share this link.

Thanks,

Mobile Ads SDK Team

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[2025-12-09 16:54:33Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01wmhQd:ref" (ADR-00347288)

哈哈不想哈哈

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Dec 9, 2025, 8:32:52 PM 12/9/25

to Google Mobile Ads SDK Developers

hi

I have submitted the reproducible program via the link
number:
00347288
id:
500Ht00001wmhQdIAI

thanks

哈哈不想哈哈

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Dec 9, 2025, 8:46:47 PM 12/9/25

to Google Mobile Ads SDK Developers

hi

Before using the program, you must adjust the system language order. Follow the language order in the screenshot.

thanks

Mobile Ads SDK Forum Advisor

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Dec 10, 2025, 3:16:34 AM 12/10/25

to hubin...@gmail.com, google-adm...@googlegroups.com

Hi,

Thank you for the details.

I checked your sample project but was unable to reproduce the issue. I followed these steps:

Selected Japanese in the System Settings.
Clicked the 'Load UMP' button and waited a moment.
Clicked the second button.

The text on the second page remained in Japanese.

To assist with our investigation, could you please confirm if you are observing this issue on specific devices?

Thanks,

Mobile Ads SDK Team

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[2025-12-10 08:15:33Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01wmhQd:ref" (ADR-00347288)

哈哈不想哈哈

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Dec 10, 2025, 3:20:54 AM 12/10/25

to Google Mobile Ads SDK Developers

hi

It is not a problem with specific devices.
Select Chinese, Arabic, or Spanish as your first language, Japanese as your second language, and English as your third language.

like this:

You must use this language order

thanks

哈哈不想哈哈

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Dec 10, 2025, 8:40:22 AM 12/10/25

to Google Mobile Ads SDK Developers

hi

Has there been any progress on this?

thanks

Mobile Ads SDK Forum Advisor

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Dec 10, 2025, 6:32:15 PM 12/10/25

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Hi,

Thank you for getting back to us.

I have checked the provided sample project with the first language set to Chinese, the second to Japanese, and the third to English.

First, click the "Load UMP" button and wait a moment. Then, click the two buttons on the next page. You’ll notice that the text on the second page changes to English. This happens because there is no Chinese string file in the resource folder.

The system determines which language to display as follows: it first checks the language set at the top of the settings. If a corresponding string file exists, it displays that language. If no string file is found, it falls back to the default language.

To fix this, add the Chinese string file to the resource folder so the text shows in Chinese. Or, if you want it to show in Japanese, just move Japanese to the top of the device’s language settings. This will work even without UMP.

Regarding the language order mismatch, I will raise this concern with the wider team and will get back to you once I receive any updates on it. Meanwhile, your patience is highly appreciated.

Thanks,

Mobile Ads SDK Team

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[2025-12-10 23:30:54Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01wmhQd:ref" (ADR-00347288)

哈哈不想哈哈

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Dec 10, 2025, 8:47:57 PM 12/10/25

to Google Mobile Ads SDK Developers

hi

Thank you for your reply.

Although the application does not support Chinese, the system automatically adapted to Japanese, which is the second preferred language, upon entering the app, and that is fine. Why does requesting UMP change this priority order?

Of course, I can add Chinese resources, but I don't understand why UMP needs to change the language order already provided by the system. This will lead to an inconsistency in the language resources displayed between the preceding and subsequent pages of the app, affecting the app's user experience.

I believe UMP should fix this issue and not cause greater confusion and development trouble for developers.

thanks

Mobile Ads SDK Forum Advisor

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Dec 11, 2025, 2:27:17 AM 12/11/25

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Hi,

Thank you for the detailed explanation and information.

Regarding this,I will raise this concern with the wider team and will get back to you once I receive any updates on it. Meanwhile, your patience is highly appreciated.

Thanks,

Mobile Ads SDK Team

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[2025-12-11 07:26:25Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01wmhQd:ref" (ADR-00347288)

綾沙汰

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Dec 18, 2025, 3:50:57 AM 12/18/25

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Hello, Mobile Ads SDK support team.

I just checked the Admob dashboard and the app was verified.
I apologize for the trouble, but I would like to ask you to close this issue.

Best regards.

2025年12月10日(水) 1:54 'Mobile Ads SDK Forum Advisor' via Google Mobile Ads SDK Developers < google-adm...@googlegroups.com >:

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