# Slow connection and app crashing

**URL:** <https://forum.realdash.net/t/slow-connection-and-app-crashing/10305>\
**Category:** Bugs and troubleshooting\
**Created:** [April 25, 2026, 8:42pm UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305 "2026-04-25T20:42:54Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![cel\_turbo](https://forum.realdash.net/user_avatar/forum.realdash.net/cel_turbo/32/9_2.png) [@cel\_turbo](https://forum.realdash.net/u/cel_turbo)\
**Post date:** [April 25, 2026, 8:42pm UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305/1 "2026-04-25T20:42:54Z")

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Bluetooth connection starts out good, but after a few seconds it begins to slow down, and shortly after that the RD closes.  
Version 2.6.5.  
It happened on two new smartphones:

- Redmi A5 Android 15
- Samsung

After reverting to 2.6.2 on the Redmi A5, it worked OK.

Note: on a Redmi Note 13, it works OK on version 2.6.5.

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**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [April 30, 2026, 9:51am UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305/2 "2026-04-30T09:51:03Z")

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What are you connected into with Bluetooth? Knowing that makes it easier to reproduce the issue.

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**Author:** ![cel\_turbo](https://forum.realdash.net/user_avatar/forum.realdash.net/cel_turbo/32/9_2.png) [@cel\_turbo](https://forum.realdash.net/u/cel_turbo)\
**Post date:** [May 2, 2026, 11:33am UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305/3 "2026-05-02T11:33:00Z")

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yes, bluetooth on an HC05 module

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**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [May 4, 2026, 7:03am UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305/4 "2026-05-04T07:03:26Z")

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What protocol/ecu. OBD2, CAN, Direct ECU connection.

When reporting an issue like this, please understand that we can’t test the issue if we do not know the entire setup for test environment.

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<div class="post-metadata">

**Author:** ![cel\_turbo](https://forum.realdash.net/user_avatar/forum.realdash.net/cel_turbo/32/9_2.png) [@cel\_turbo](https://forum.realdash.net/u/cel_turbo)\
**Post date:** [May 6, 2026, 10:00pm UTC](https://forum.realdash.net/t/slow-connection-and-app-crashing/10305/5 "2026-05-06T22:00:06Z")

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RealdashCAN with Arduino Nano