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I developed a game with some PlayerPrefs included like HighScore, Username etc... after I tested it for iOS and Samsung, I published it into the App Stores. Everything seemed to be working fine, but then a friend of mine downloaded my game on an old Nokia device and also, someone downloaded it on a Huawei. They told me that in my game are bugs and I tried to figure out what this caused.

I found out that on "mainstream" devices like iPhone and Samsung Galaxy everything is working completely properly!

And after going through my scripts again, it was obviously that the PlayerPrefs didn't work right on those devices I have mentioned.

So my Question is:
Are there some devices that CANNOT save data on the device?
And if yes, how can I find out which they are?

zx485
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Reflexed Mo
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  • How do you save and load the file? – Programmer Nov 01 '18 at 17:08
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    You need to be very careful with your testing process. There are many mobile devices (also tablets, ipads etc) and you need to test on a bigger set than just 2. Each device has a slightly different credentials and access to file directory. There are tools to perform tests and I think that Unity has some test environment as well. Think about it, – Cabrra Nov 01 '18 at 17:48
  • Thanks for your advice! But do you think or know, if there are any devices, that are unsupported for playerPrefs? – Reflexed Mo Nov 01 '18 at 21:41
  • On which exact nokia and huawei model does it not work? Also which Android OS version do they have? Which Unity version are you using? – JeanLuc Nov 02 '18 at 10:25
  • devices who failed: Nokia 3.1 and huawei p10. My Unity version is 2018.2.13f1. – Reflexed Mo Nov 02 '18 at 12:09

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