Apple iPhone 7 Plus logic board schematic in a 2.99 MB PDF. It is a key reference for tracing voltage rails, inspecting the audio codec, baseband and charging sections…

Block diagram for the Xiaomi Redmi Note 4, a 3.79 MB PDF giving an overview of the main subsystems and how they link to the processor and power management.

Schematic for the Xiaomi Redmi Note 2, model code 3Y, supplied as a 3.53 MB PDF. The sheets show the power management circuits, processor connections, memory, RF…

Fourth numbered schematic document for the Xiaomi Redmi 3s, a smaller 7.58 MB PDF than its companions.

Component layout diagram for the Xiaomi Redmi 3s, stored as a 3.43 MB PDF. Unlike the circuit schematics in the same set, a components diagram shows where parts…

Schematic PDF for a phone called Note 4, 544 KB in size, with no manufacturer or board revision stated in the name.

Board layout PDF of 968 KB labelled Note 4, with no brand stated in the name, so the exact phone it belongs to must be confirmed from the drawing itself.

Small block diagram PDF of about 105 KB titled Note 4, without a brand or variant given in the name.

Schematic for the Xiaomi Mi 4 LTE smartphone, a 1.32 MB PDF. It documents the circuit connections used when diagnosing power, charging, audio, display or radio problems…

Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

Bottom-layer placement drawing in PDF for the MI2 CDMA board, P2 stage, marked as an updated revision of the layout sheet.

Exploded-view drawing in PDF for the MI2 handset, showing how the housing, frame, board, display and small parts stack together.

Small 38.6 KB PDF showing the bottom side of the Xiaomi Mi 4 LTE board, based on the board_down label in the name.

Mirrored bottom-layer placement sheet in PDF for the MI2 board at the P4 build. Mirroring flips the view so the underside appears as it looks when the board is turned…

Updated top-layer placement drawing in PDF for the MI2 CDMA board at the P2 stage. At only about 15 KB it is a compact vector sheet of part outlines and reference…

Block diagram for the Xiaomi Mi Note smartphone in PDF form, around 1.28 MB. Rather than full circuit detail, a block diagram shows how the main sections connect…

Component layout diagram for the Xiaomi Mi Mix, delivered as a 3.54 MB PDF. It shows the placement of parts on the phone mainboard, letting a technician find the…

Circuit schematic in PDF for the MI2 CDMA variant at the P2 prototype stage, with 1227 in the name most likely a date code for the drawing set.

Short schematic file for the Xiaomi Mi Max, only about 965 KB, much smaller than the other Mi Max schematic copies, so it may be a partial set, a compressed version or a…

Layout document for the Xiaomi Mi Max, a small PDF of around 166 KB. A layout sheet shows where components sit on the printed circuit board, which is what you need to…

Second version of a block diagram for the Xiaomi Mi Max, a 3.87 MB PDF whose name carries a (2) suffix, suggesting an alternate or duplicate copy of a similar document.

Compact block diagram for the Xiaomi Mi Max, a PDF of about 596 KB. It outlines how the major functional blocks of the phone link together, such as the application…

Component layout diagram for the Xiaomi Mi 4S smartphone, supplied as a PDF of about 2.3 MB.

PCB drawing combined with a functional block diagram for the Xiaomi Mi 4S, provided as a 4.86 MB PDF.

Circuit diagram for the Xiaomi Mi 4C phone, delivered as a 5.76 MB PDF. Like other phone schematics it is used to understand how the power management IC, battery…

Block diagram for the Xiaomi Mi 4C smartphone in a compact 2 MB PDF. It gives a high-level map of the main subsystems, such as processor, memory, power management, radio…