[QRD Junior E5] Connection & Compatibility Guide

The QRD Junior E5 Mini Controller supports two Bluetooth input modes, which allow the controller to be used across a wide range of platforms and mobile games.
Selecting the correct mode is important, because different games and systems recognize different controller profiles.
This guide explains how to pair the controller correctly, when to use each mode, and how to avoid common mistakes.

 

1. Two Bluetooth Input Modes

The Junior E5 has two independent Bluetooth input types:

① X-Input Mode (“Xbox Wireless Controller”)

Used for games that support Xbox-style controllers

• Activation:
  Hold HOME + X for 3 seconds to enter Bluetooth pairing

• Device name usually appears as:
  Xbox Wireless Controller

This mode is commonly accepted by:

• Many mobile action games

• Emulators that prefer X-input

• PC games designed for Xbox controllers

 

② D-Input Mode (“Pro Controller”)

Used for games that expect a Nintendo-style controller

• Activation:
  Hold HOME for 3 seconds to enter Bluetooth pairing

• Device name usually appears as:
  Pro Controller

This mode is required for:

• Nintendo Switch

• Mobile games that detect Switch-style controllers

• Many platformers, puzzle, and rhythm games

 

Why Game Recognition May Fail

Different games support different controller standards:

• Some games only accept X-input

• Other games only accept D-input

• A few mobile games do not support external controllers at all

If the wrong input mode is used, symptoms include:

• Buttons do not work

• Only some buttons respond

• Analog sticks or triggers are not recognized

• Game does not detect the controller at all

Solution:
If a game does not respond, simply disconnect and switch to the other mode, then pair again.

 

2. Connecting to PC

You may connect the Junior E5 using:

✔ USB Wired Connection

• Connect using a USB-C cable

• Controller will be recognized as a standard gamepad

✔ Bluetooth

You may choose either input mode:

• HOME + X → X-input

• HOME only → D-input

If a PC game does not respond, switch modes and try again.

 

3. Compatibility with Nintendo Switch

The E5 supports Nintendo Switch in both wired and wireless modes.

Wired Connection

• Use a USB-C to USB-C cable (user prepares the cable)

• Connect directly to the Switch dock, Switch Lite, or Switch OLED

Bluetooth Connection to Switch

⚠️ Important:
Switch requires D-input (Pro Controller) mode.

Steps:

1. On Switch, go to:
   Controllers → Change Grip/Order

2. On the E5 controller, hold HOME for 3 seconds
   LED will blink to enter pairing mode

3. The controller will register as Pro Controller and connect

If pairing fails, restart the process.

 

4. Compatibility Notes with PlayStation / Xbox Consoles

✔ Charging via USB-C is supported on:

• PS3 / PS4 / PS5

⚠️ But gameplay is NOT supported

The Junior E5 is not compatible for playing games on:

• PS3

• PS4

• PS5

• Xbox consoles

The USB port on these consoles may be used only for charging.

 

5. Common Questions & Solutions

Q: The game does not detect my controller.

➡️ Switch the input mode:

• If you used HOME + X, try HOME only

• If you used HOME only, try HOME + X

Restart pairing and reconnect.

Q: Some buttons do not work in a game.

➡️ The game likely supports a different controller standard.
Switch modes and reconnect.

Q: Which mode is best for mobile games?

There is no single answer.
Mobile games vary:

• Action / Shooter games → often prefer X-input

• Platformers / Rhythm / Emulators → often prefer D-input

If unsure, try both.

Q: Switch pairing fails.

Ensure:

✔ Use HOME only (D-input mode)
✔ Pair through Change Grip/Order menu

6. Summary

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Important Notes

• Avoid pairing with incorrect mode if a game does not detect input

• Always enter pairing with the correct button combination

• Some mobile games do not support controllers at all (by game design)

If detection fails, switching mode usually solves the problem.