Identify your device
Confirm the model locally. Keep serial numbers, account details and recovery keys private.
iPhone 13
Open Settings → General → About. Read Model Name: it must say iPhone 13. Do not enter the serial number here.
Fit: Standard iPhone 13 (2021), Lightning
iOS 15 or later; use the support page matching your installed iOS for service settings.
Similar models outside this guide: iPhone 13 mini, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 15
- Identify your iPhone model
Find the model name / iPhone 13 · Checked 2026-10-04
Model confirmation
Reference only. Original paraphrase; no copied images or manual pages. - iPhone 13 technical specifications
External Buttons and Connectors; Power and Battery · Checked 2026-10-13
Lightning, physical controls and wireless charging applicability
Reference only. Bounded original paraphrase and original schematics; no copied support images or pages. - Prepare iPhone for a service appointment
Get ready; Bring in; Get back from service · Checked 2026-10-13
Backup, OS-specific service readiness, credential privacy and returned-device data
Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.
Pixel 7
Open Settings → About phone and confirm Pixel 7. Check Android version and security update locally. Pixel 7a and Pixel 7 Pro are separate models.
Fit: Standard Pixel 7 (2022), stock Android
Android 14 December 2023 update or later for Repair Mode. Other checks: stock Android with the named settings available.
Similar models outside this guide: Pixel 7a, Pixel 7 Pro, Pixel 6, custom Android ROM
- Pixel 7 safety and regulatory guide
Safety warnings; Repair and service; Charging · Checked 2026-10-13
Model-specific damaged-device and charging safety
Reference only. Bounded original paraphrase and original schematics; no copied support images or pages. - Use Pixel Repair Mode
Learn how it works; Access; Exit · Checked 2026-10-13
Android 14 December 2023+, 2 GB, backups, possible reset and credential privacy
Reference only. Bounded original paraphrase and original schematics; no copied support images or pages.
MacBook Air M1
Choose Apple menu → About This Mac. Confirm MacBook Air (M1, 2020) and Chip: Apple M1. An Intel processor or another chip does not match.
Fit: MacBook Air (M1, 2020), Apple M1 chip
macOS Big Sur or later; Ventura and later call the preferences app System Settings. Diagnostic screens vary by macOS.
Similar models outside this guide: MacBook Air Intel 2020, MacBook Air M2, MacBook Pro M1
- Identify MacBook Air model
Find model / MacBook Air M1 2020 · Checked 2026-10-04
Model and chip confirmation
Reference only. Original paraphrase; no copied images or manual pages. - MacBook Air (M1, 2020) technical specifications
Charging and Expansion / Display Support · Checked 2026-10-13
Two USB-C Thunderbolt/USB4 ports and one native external display up to 6K at 60 Hz
Reference only. Original paraphrase and observation worksheets; no copied images or manual pages. - Use Apple Diagnostics to test your Mac
Prepare / Apple silicon / Run Apple Diagnostics / Results · Checked 2026-10-13
M1 Options then Command-D; Tahoe 26+ selected tests versus earlier automatic testing; preserve reference code
Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.
ThinkPad T14 Gen 2 Intel
Read the underside machine-type label or Lenovo Vantage device details locally. Confirm T14 Gen 2 Intel and 20W0/20W1. Keep the full serial number private.
Fit: Intel machine types 20W0 or 20W1
Windows 10/11, original Lenovo firmware. Labels vary between Windows versions; managed systems require IT approval for settings changes.
Similar models outside this guide: ThinkPad T14 Gen 2 AMD, ThinkPad T14 Gen 1, ThinkPad T14s Gen 2, ThinkPad T15
- ThinkPad T14 Gen 2 user guide
Printed pp. 1–5, 9–14, 16–19, 23–25, 27–33, 62, 65–67 · Checked 2026-10-13
Existing local official PDF/text reviewed for Intel layout, optional hardware, controls, Vantage, power and support
Reference only. Original paraphrase and observation worksheets; no copied images or manual pages.