# Ble transmit not working on IOS **URL:** https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256 **Category:** Questions about Thunkable X **Tags:** ios, bluetooth **Created:** [August 22, 2020, 2:13pm UTC](https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256 "2020-08-22T14:13:16Z") **Posts on this page:** 4 **Page:** 1
### Author: ![stanislavirintod5](https://avatars.discourse-cdn.com/v4/letter/s/919ad9/32.png) [@stanislavirintod5](https://community.thunkable.com/u/stanislavirintod5) #### Post date: [August 22, 2020, 2:13pm UTC](https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256/1 "2020-08-22T14:13:17Z")
Hi. I want to send data to HM-10. App on Android works fine, but on IOS - not. On IOS - app connects to HM-10, but when i push “SEND”, there comes errror: “characteristic 0000FFE1-0000-1000-8000-00805F9B34FB write failed for device _my device ID_ and service 0000FFE0-0000-1000-8000-00805F9B34FB” ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/9/8/98fbbfd9724275b52dbbacc849ba0a1303b81b50.png) i have seen the same problem in topic here, but dont see response [I've got a problem with BLE component and the JDY-10-v2.4 module](http://community.thunkable.com/t/ive-got-a-problem-with-ble-component-and-the-jdy-10-v2-4-module/135097) Hope i can get help here… ---
### Author: ![stanislavirintod5](https://avatars.discourse-cdn.com/v4/letter/s/919ad9/32.png) [@stanislavirintod5](https://community.thunkable.com/u/stanislavirintod5) #### Post date: [August 22, 2020, 2:35pm UTC](https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256/2 "2020-08-22T14:35:26Z")
ble read works on IOS and Android also. Ble transmit on IOS - not( ---
### Author: ![angelo.puzzo999e4](https://avatars.discourse-cdn.com/v4/letter/a/53a042/32.png) [@angelo.puzzo999e4](https://community.thunkable.com/u/angelo.puzzo999e4) #### Post date: [September 21, 2021, 7:15am UTC](https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256/3 "2021-09-21T07:15:41Z")
I’ve the same problem… I’m using hc08 and an iphone12. Someone found the solution? ---
### Author: ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis) #### Post date: [November 8, 2024, 12:24pm UTC](https://community.thunkable.com/t/ble-transmit-not-working-on-ios/761256/4 "2024-11-08T12:24:39Z")