how to downgrade to oreo

Please tell us some basic information before asking for help:

  1. Model Name: ze620kl
  2. Firmware Version: ww_16.0615.2005.130
  3. Rooted or not: not
  4. Frequency of Occurrence: -
  5. APP Name & APP Version (If your issue relates to the app):

In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.

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how to downgrade form pie to oreo because i find some problem with pie like camera whatsapp and instagram so dark but on pixel master good enough

Comments

  • Tell me how can I downgrade from android 9 to android 8.1

    I have already downloaded the stock firmware from support website of android 8.1. please help me.

  • I have downloaded the stock firmware android 8.1. tell me how to downgrade it from android 9 to android 8.1

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