# Testing BLE on IOS **URL:** \ **Category:** BLE / BlueTooth\ **Tags:** beginner, bluetooth, help, testing\ **Created:** [November 1, 2024, 7:37pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526 "2024-11-01T19:37:49Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![rhino-led](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/rhino-led/32/187862_2.png) [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Post date:** [November 1, 2024, 7:37pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/1 "2024-11-01T19:37:49Z")
I have an apple developer account. and a paid service to thunkable. I am creating an app to send data back and forth to my custom BLE controller. I can see the scan and see my controller via the thunkable live app, but as it says i can’t click on anything. I am ready to test connecting to my controller and passing data back and forth. When i click on the download IOS app for testing. ![Screenshot 2024-11-01 at 3.34.22 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/8/2/824cbbf166bcf399d92a84d23ed9bb49828d16cb.png) It seems to compile on the server and send me an email. When i click download on my phone with and without developer mode on it pops up and says "Unable to install “” This app cannon be installed because its integrity could not be verified. What am i missing, Seems i can’t find anything about testing on a phone or ipad. Seems i HAVE to test BLE on my device which means i have to make updates and download to IOS with every change? Is that true? Any direction would help! ---
**Author:** ![matt\_conroy](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/matt_conroy/32/150843_2.png) [@matt\_conroy](https://community.thunkable.com/u/matt_conroy)\ **Post date:** [November 1, 2024, 7:50pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/2 "2024-11-01T19:50:27Z")
Hi rhino-led, welcome to Thunkable! 🎉 Be sure to check out [How to ask Great Questions v2.0](https://community.thunkable.com/t/how-to-ask-great-questions-v2-0/2689983/1), the [Community Guidelines](https://community.thunkable.com/t/community-guidelines/78/8), and our [Getting Started Guide](https://docs.thunkable.com/getting-started/get-started) to make the best of your Thunkable Community experience! I’m not sure why you’re seeing this option–that should be for internal use only. Please use the option below this one that just says “Download iOS” ![Screenshot 2024-11-01 at 3.48.48 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/9/1/9175020721fde7da5080f743f4d99c6f9e791365.png) However, to be able to download your app to iOS, you do need to have an [Apple Developer](https://developer.apple.com/account) account and you would have to turn on Developer Mode on your device. You can find more instructions about how to download your app for iOS in our Docs: [Download Your App on iOS | Thunkable Docs](https://docs.thunkable.com/settings/manage-your-projects/download/iosdownload#download-ios-app) ---
**Author:** ![rhino-led](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/rhino-led/32/187862_2.png) [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Post date:** [November 1, 2024, 7:59pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/3 "2024-11-01T19:59:46Z")
Thanks for a reply, per my first post i have development mode on and it gives me that error. Also to test BLE will i HAVE to always download to IOS to test bluetooth? ---
**Author:** ![matt\_conroy](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/matt_conroy/32/150843_2.png) [@matt\_conroy](https://community.thunkable.com/u/matt_conroy)\ **Post date:** [November 1, 2024, 8:05pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/4 "2024-11-01T20:05:18Z")
Sorry, I misunderstood. You’re getting that error because your device is not added to the certificate on the internal iOS download. This will be remedied when you create your own certificate and register your device’s UDID. Some BLE functionality is not available on iOS via the Thunkable Live app. Scanning and connecting usually work, anything beyond that is likely to fail. ---
**Author:** ![rhino-led](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/rhino-led/32/187862_2.png) [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Post date:** [November 1, 2024, 8:06pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/5 "2024-11-01T20:06:46Z")
So that means to test sending data back and forth to my device i will need to download ( then wait an hour ) to install on my phone to test? Maybe this platform isn’t the right one for my app? ---
**Author:** ![rhino-led](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/rhino-led/32/187862_2.png) [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Post date:** [November 1, 2024, 8:12pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/6 "2024-11-01T20:12:12Z")
![Screenshot 2024-11-01 at 4.11.13 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/a/0a0f700ffaa7c24bcf1ee0d555d4c7adbc713984.png) but my file name was “JKRhinoLED.mobileprovision” What is wrong with the name? ---
**Author:** ![matt\_conroy](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/matt_conroy/32/150843_2.png) [@matt\_conroy](https://community.thunkable.com/u/matt_conroy)\ **Post date:** [November 1, 2024, 8:35pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/7 "2024-11-01T20:35:24Z")
Apologies for the inconvenience here. That is a strange error considering the name looks fine. Can you see the file in Finder and see if the name matches? ---
**Author:** ![rhino-led](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/rhino-led/32/187862_2.png) [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Post date:** [November 1, 2024, 8:49pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526/8 "2024-11-01T20:49:31Z")
![Screenshot 2024-11-01 at 4.49.21 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/optimized/3X/1/7/1721f3a0b154177fffc01ac69e1e6e76871bffa4_2_690x23.png) Here is a screenshot of it inside my finder.