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Changes to MacBook Pro 13" Touch Bar 2019 Lower Case Replacement Introduction

Edit by Sarah Westberg

Edit approved by Sarah Westberg

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Introduction
Follow this guide to replace the lower case on a 2019 Touch Bar MacBook Pro with four Thunderbolt ports.
'''For your safety, discharge your battery below 25% before disassembling your phoneMacBook Pro.''' This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].