Try the following fix to be able to answer incoming calls again.
STEP 1
- Go to Settings
- Click on Apps
- Click on Apps again
- Press the three dots in the right corner
- Select “Show system processes“
STEP 2
Find the 3 apps below in the list of apps and perform the same procedure for all of them:
Phone
1) Press Force Stop -> Confirm: Force Stop
2) Press Storage -> Clear Data and Clear Cache
Phone Services
1) Press Force Stop -> Confirm: Force Stop
2) Press Storage -> Clear Data and Clear Cache
Phone/Messaging
1) Press Force Stop -> Confirm: Force Stop
2) Press Storage -> Clear Data and Clear Cache
STEP 3
- Be sure you remember your (sim and device) pin code 😉
- Reboot your smartphone
- Try to call your phone
Tab on “Show system processes” 
Find the apps: Phone, Phone Services and Phone/Messaging 
Go to Storage 
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[…] Update 24.04.2020: If you can’t answer incoming calls, try this fix: Huawei: Can’t answer incoming calls […]
Hi !! This worked for me !!!
I have a Huawei Mate 10 Pro with EMUI 9.1.0 and my problem was that I couldn’t answer incoming calls, the call screen wouldn’t show up and the screen was jumping, but deleting the data and cache and the 3 apps worked super fine !! Thank you sooo much !
Awesome. I’m glad that the article could help you!
Hi
Huawei P30 lite doesn’t allow incoming calls during a call…
CLEAR CACHE AND DATA
Step 1,2,3 worked for me ” problemo is a fix” thanks Nullraum
@Pascal Werkl you are awesome!!!🤘
Perfect! 🤘
The fix worked but is not permanent as the very next xall it happened again
Awesome Bro… u saved meee😍😍😍😘😘😘
Fixed it straight off
Paschal
This worked for me and I am very grateful-I am glad it wasn’t the 10 steps otherwise I would need a Drink. I will tell Huawei that this intermediate step is well worth a try before a system restore.
Liam Mooney
Hey Liam!
Great to hear it worked!
I have worked through the steps for my huawei pro 30 but still cannot answer my calls. The swipe button doesn’t work.