# Global variable values issues **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [November 17, 2020, 8:39pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900 "2020-11-17T20:39:24Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 8:39pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/1 "2020-11-17T20:39:24Z")
Hello i have an issue on variable, when i navigate from one screen to one other, my variables keeps values only on web app and Preview but not on mobile version where they appears Null why that happens ? thanks ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [November 17, 2020, 8:51pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/2 "2020-11-17T20:51:01Z")
What type of variables? ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 9:43pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/3 "2020-11-17T21:43:37Z")
normal, not stored neither cloud ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 9:44pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/4 "2020-11-17T21:44:36Z")
it happens also on app published 3 months ago and that I’ve never changed ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 9:45pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/5 "2020-11-17T21:45:36Z")
in Web App or Preview it works. in iOS mobile app… no ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [November 17, 2020, 9:47pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/6 "2020-11-17T21:47:02Z")
> [@aiasp](#): > > normal, not stored neither cloud “normal” meaning an _app_ variable? Those should keep their values when you switch screens without quitting the app. If you create a new variable (right now, not one you already had…), initialize it to a string value (“hello”) and then display it in a label on a different screen, what happens? ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 9:48pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/7 "2020-11-17T21:48:14Z")
yes APP. that procedure works only on web app or preview but when I try it on mobile this variable on other screen returns Null ---
**Author:** ![ianphaas](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ianphaas/32/73941_2.png) [@ianphaas](https://community.thunkable.com/u/ianphaas)\ **Post date:** [November 17, 2020, 9:50pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/8 "2020-11-17T21:50:55Z")
I am currently having this problem to. ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 9:52pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/9 "2020-11-17T21:52:57Z")
it’s a bug ? ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [November 17, 2020, 9:55pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/10 "2020-11-17T21:55:20Z")
So if I Live Test this in Thunkable Live on my iPhone 11, I see “Screen1” with “hello” and when I tap the button, I see “Screen2” with “hello”. Is it different for you? > **[Thunkable](https://x.thunkable.com/copy/96fe06eee6c088163b0fe65551749fab)** ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:03pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/11 "2020-11-17T22:03:03Z")
oh thanks for sharing ! your app works… but now please take a look… I modified as I usually do and it doesn’t works … ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:03pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/12 "2020-11-17T22:03:43Z")
I mean, it works on Web but not on iPhone ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [November 17, 2020, 10:04pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/13 "2020-11-17T22:04:37Z")
@aiasp If you modified it, you’ll have to share the link with me. Modified shared projects are only changed in _your_ account. ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:05pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/14 "2020-11-17T22:05:47Z")
> **[Thunkable](https://x.thunkable.com/copy/2e0f1499629168596e3e6c5df63e3906)** ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [November 17, 2020, 10:10pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/15 "2020-11-17T22:10:59Z")
That still works for me. It says “hello” on both screens. There must be a bug that’s affecting only some users…? ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:14pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/16 "2020-11-17T22:14:41Z")
it could be… really screen2 is empty on my phone and “hello” on PC… ☹ and it happens for all my previous apps… I’m spending a lot of times in this 48 hours to understand what did I do wrong but I think it’s not my problem . hope someone of Staff read this … ---
**Author:** ![ianphaas](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ianphaas/32/73941_2.png) [@ianphaas](https://community.thunkable.com/u/ianphaas)\ **Post date:** [November 17, 2020, 10:17pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/17 "2020-11-17T22:17:27Z")
@tatiang, What device are you using? I am using an iPad running iPadOS 14.2. ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:18pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/18 "2020-11-17T22:18:47Z")
MacBook Pro and iPhone 11 …now I try on iPad, good idea ---
**Author:** ![aiasp](https://avatars.discourse-cdn.com/v4/letter/a/8e7dd6/32.png) [@aiasp](https://community.thunkable.com/u/aiasp)\ **Post date:** [November 17, 2020, 10:20pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/19 "2020-11-17T22:20:56Z")
![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/6/3/63a56490445d9ff4fc695872488ca4f24919157f.jpeg) this is on iphone ---
**Author:** ![ianphaas](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ianphaas/32/73941_2.png) [@ianphaas](https://community.thunkable.com/u/ianphaas)\ **Post date:** [November 17, 2020, 10:22pm UTC](https://community.thunkable.com/t/global-variable-values-issues/980900/20 "2020-11-17T22:22:07Z")
I get that same result running the demo on my iPad [Next page](https://community.thunkable.com/t/global-variable-values-issues/980900.md?page=2)