Notice about WhatsApp has a noise when sending a voice message

1. Background

Recently, we got feedback that there is a noise when sending a voice message on WhatsApp

2. Model

OPPO A54, OPPO A15/15s

3. Reason

It's a problem caused by WhatsApp

4. Solution

OPPO A54: We have circumvented this problem with a software update. If customers report this problem, please guide them to update the system to CPH2239PU_11_A.11 or above. If customers cannot detect this version, please guide the customer go-to service center to flash.

（Please don't inform customers） Download link of CPH2239PU_11_A.11 flash package：https://drive.google.com/file/d/1MtgMyVO60KxbDU1_TF8TyZOBRVDo5PWx/view?usp=sharing

OPPO A15/A15s: We have circumvented this problem with a software update. If customers report this problem, please guide them to update the system to CPH2239PU_11_A.11 or above. If customers cannot detect this version, please guide the customer to download the OTA package and update it; Or guide the customer go-to service center to flash.

（Can inform customers，For Non-Europe）Download link of CPH2179PU_11.A.29 OTA package：https://drive.google.com/file/d/1_1f_TZ1sti591oFxqS7fMssOQxUwke0Y/view?usp=sharing

（Can inform customers，For Europe） Download link of CPH2179EU_11.A.30 OTA package：https://drive.google.com/file/d/1dn-tLVGxazTYTjghwkEP5yF7n-jXE0Jy/view?usp=sharing

（Please don't inform customers，For Non-Europe）Download link of CPH2179PU_11.A.29 flash package：https://drive.google.com/file/d/1AsAedZs3w76TCuO5dLOKcHVJwspeGCcl/view?usp=sharing 

（Please don't inform customers，For Europe ） Download link of CPH2179EU_11.A.30 flash package：https://drive.google.com/file/d/1PX74uIA6DbrVdEiIh1OIpiyUxPWH-pio/view?usp=sharing

For how to use the OTA  package, please refer to the official website：https://support.oppo.com/en/answer/?aid=neu14800 

The sixth step begins to explain how to import the OTA file to the phone and upgrade