Currently, we have confirmed the following bugs and errors.

1. The camera does not work with QR catch and normal catch on certain smartphone devices.

2. The "Auto" equipment change does not select the equipment that suits your purpose.

3. Adding Denpa Men to your party is difficult on the smartphone version.

4. On the smartphone version, you may not be able to proceed after SMS authentication for account linking.

5. The poses of Denpa Men, NPCs, and monsters are unintended on certain smartphone devices.

6. No sound is played on certain smartphone devices.

7. Notifications are displayed even when there is nothing in the Present Box.

8. You receive damage in poison swamps even when equipped with "No Floor Damage" equipment.

The following bug has also occurred, but have been resolved.

• Cannot find destination when selecting "Visit a random island".

• When opening the treasure chest for "Thunder Idol" in Main Stage 6, an error occurs and you cannot obtain the item.
  (Fixed on 03/13 with Ver. 4.0.20)

We are currently investigating the bugs.

We apologize for any inconvenience and trouble caused.

Please refer to the FAQ for solutions to issues 3 and 4.

https://newdenpafree.ap-gs.com/en/faq#h.8189opnyau2z

We have confirmed a bug in Ver. 4.0.0 where an error occurs when trying to exchange Jewel Pieces for Jewels.
We have taken measures to temporarily suspend the Jewel Piece exchange shop in the 4.0.10 update scheduled for March 10th, 11:00 JST.
If you have Jewel Pieces, we ask that you exchange them before the Ver. 4.0.10 update on March 10th.

We are currently working on an update to fix this bug.

We apologize for the inconvenience, and thank you for your understanding.