Seller: advancednetwork ✉️ (1,656) 100%, Location: California, US, Ships to: US & many other countries, Item: 202893549509 EFI Firmware Bios Chip for Apple iMac 27" A1419 Mid 2015 5K 820-4652, EMC 2806. NEW Bios EFI Firmware chip for Apple iMac 27" A1419 Mid 2015EMC 2806 or Logic board: 820-4652. Only for EMC 2806. Not sure about EMC number?. Fix Corrupted Firmware Caused During Updates. The chip needs to be soldered on the motherboard. AdvancedNetwork EFI Firmware chip for Apple iMac 27" A1419 Mid 2015 5K 820-4652, EMC 2806 DESCRIPTION NEW Bios EFI Firmware chip for Apple iMac 27" A1419 Mid 2015 EMC 2806 or Logic board: 820-4652 Programmed and ready to use This chip can be used for: Solve EFI Password-Lock, iCloud, 4 pin or 6 pin lock, Alphanumeric PadLock Fix Corrupted Firmware Caused During Updates Disabled Mac MDM Mobile Device Management (Remote Management) DEP Device Enrollment Profile (It will NOT remove the operating system password or Hard Drive password) The chip needs to be soldered on the motherboard. You need to have soldering skills to replace the chip The chip will come with a serial number or we can program your original S/N into the chip. Note: Do not use your original S/N if your Mac has MDM or DEP profile. 100% Permanent fix. You can sign into your iCloud account and use your laptop like before. It is highly recommended to erase and reinstall a clean version of MacOS after installing the chip. (erase the drive using Disk Utility) Only for EMC 2806 Not sure about EMC number? You can find the EMC number by visiting this website. everymac "dot" com / ultimate-mac-lookup Please contact me if you have any questions or need help finding the correct chip. RETURN POLICY We offer 30 days returns if there is any problem with the chip. Please contact us before opening case and we will help you to solve the problem. SHIPPING All orders are shipped within 12/ 48 hours via USPS First Class. (Free) Priority service: $4.99 Shipping International through Global Shipping Program FEEDBACK Feedback is very important to us. We will leave you 5 star positive feedback. I will appreciate if you can do the same 😊 Check out my other items! Condition: New, Brand: Macronix MXIC (original), Compatible Brand: For Apple, Type: Firmware Chip, Logic board: 820-4652, EMC: 2806, Package: SOP-8