MacBook Pro 16″ M4 Max (A3186)
MacBook Pro 16″ M4 Max (A3186) OS Installation
OS Installation for the MacBook Pro 16″ M4 Max (A3186) at Apple Lab, Dhanmondi — how it works, what it costs and how long it takes.


OS Installation for the MacBook Pro 16″ M4 Max (A3186) in Dhaka
Apple Lab in Dhanmondi, Dhaka repairs OS Installation faults on the MacBook Pro 16″ M4 Max (A3186) using genuine or OEM-grade parts. Every job starts with a free diagnosis, you approve a fixed quote before we touch the device, and the repair is covered by our 90-day warranty.
How the repair works
- Free diagnosis — we confirm the fault and check related components so the problem does not come back.
- Fixed quote — you approve the price first; no surprises after the work.
- Repair and test — the MacBook Pro 16″ M4 Max (A3186) is repaired on the bench, then function-tested before hand-over.
Why customers choose Apple Lab
- Apple specialists since 2010, in Dhanmondi, Dhaka
- Genuine and OEM-grade parts only
- Same-day turnaround for most repairs
- 90-day warranty on parts and labour
Frequently asked questions
How long does OS Installation take on the MacBook Pro 16″ M4 Max (A3186)?
Most OS Installation jobs on the MacBook Pro 16″ M4 Max (A3186) are completed the same day. Board-level work can take 1–3 days depending on parts; we tell you the timeline with the quote.
Is the diagnosis really free?
Yes. We diagnose the MacBook Pro 16″ M4 Max (A3186) for free and you approve a fixed quote before any repair. If we cannot fix it, you pay nothing.
What warranty do I get?
Every repair at Apple Lab is covered by a 90-day warranty on parts and labour.