![Could not connect to development server on android emulator and on real device · Issue #15388 · facebook/react-native · GitHub Could not connect to development server on android emulator and on real device · Issue #15388 · facebook/react-native · GitHub](https://user-images.githubusercontent.com/1819125/31644428-f6a17858-b313-11e7-87e9-d38635a18ae7.png)
Could not connect to development server on android emulator and on real device · Issue #15388 · facebook/react-native · GitHub
![React Native runs on backhand server which starts when we apply the react- native run-android or react-native run-io… | React native, Application android, Connection React Native runs on backhand server which starts when we apply the react- native run-android or react-native run-io… | React native, Application android, Connection](https://i.pinimg.com/564x/34/65/39/346539b38098fdedfc3cb519b25b779e.jpg)
React Native runs on backhand server which starts when we apply the react- native run-android or react-native run-io… | React native, Application android, Connection
Could not connect to development server on android emulator and on real device · Issue #15388 · facebook/react-native · GitHub
![iOS app could not connect to development server · Issue #2809 · mattermost/mattermost-mobile · GitHub iOS app could not connect to development server · Issue #2809 · mattermost/mattermost-mobile · GitHub](https://user-images.githubusercontent.com/21002381/58092391-2a198e80-7bf6-11e9-87af-f10869d5efd3.png)
iOS app could not connect to development server · Issue #2809 · mattermost/mattermost-mobile · GitHub
![A small guide on how to run your React Native app on iOS using the XCode Simulator · Christos Monogios A small guide on how to run your React Native app on iOS using the XCode Simulator · Christos Monogios](https://christosmonogios.com/public/images/2016/07/React-Natve-Could-Not-Connect-To-Development-Server.png)
A small guide on how to run your React Native app on iOS using the XCode Simulator · Christos Monogios
![Running Your React Native App on a Physical iPhone on a Virtual Machine (VirtualBox & VMWare) | by Emeka Okafor | The Startup | Medium Running Your React Native App on a Physical iPhone on a Virtual Machine (VirtualBox & VMWare) | by Emeka Okafor | The Startup | Medium](https://miro.medium.com/max/815/1*6MBqj-rkYpfRMph5lCs96Q.png)
Running Your React Native App on a Physical iPhone on a Virtual Machine (VirtualBox & VMWare) | by Emeka Okafor | The Startup | Medium
![Unable to load script/could not connect to dev server - Android emulator - Development - Joplin Forum Unable to load script/could not connect to dev server - Android emulator - Development - Joplin Forum](https://aws1.discourse-cdn.com/standard14/uploads/cozic/original/2X/5/51b1ecb7a2f44d6d198fb0cc3b0dd412ea23a513.png)
Unable to load script/could not connect to dev server - Android emulator - Development - Joplin Forum
![Solve virtual android device warning “ Could not connect to development server “ in react-native | by Levon | Medium Solve virtual android device warning “ Could not connect to development server “ in react-native | by Levon | Medium](https://miro.medium.com/max/347/1*5orofwGNEJPUV1wQP6RjJA.png)