Spanish cell phone repair course material that appears to come from a training institute abbreviated INED in the name.

Electrical schematic for the Motorola XT1543, a Moto G (3rd generation) variant, as a PDF; the title is in Portuguese (esquema elétrico).

Board layout PDF for the Motorola XT1543 (Moto G third generation family), the companion to its electrical schematic; the name spells layout as layoult.

Disassembly and reassembly guide in PDF form, 1.11 MB, with no device or brand named in the file name.

Schematic of the main logic board for the iPhone 8 Plus, identified in the name by its D21 code, in a 1.91 MB PDF. MLB stands for main logic board.

iPhone 6S Plus schematic supplied as a 6.5 MB PDF, with the name pointing to a Vietnamese mobile repair site as its source.

Schematic PDF for the iPhone 6S, identified in the name by the Apple project code N66. At about 1 MB it is a compact document, so check that it contains the full set of…

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.

A PDF catalogued as a schematic but named only Troubleshooting, so the device, brand and board number cannot be identified from the name.

Troubleshooting guide in PDF for the Samsung Galaxy SM-A520F smartphone, chapter 7 of the service manual set, 1.93 MB.

Troubleshooting chapter 7 in PDF from the service documentation for the Samsung Galaxy SM-A510FD, the dual-SIM variant, 1.25 MB.

PDF titled troubleshooting, 1.56 MB, with no device, brand or model named in the file name, so its scope can only be known by opening it.

Disassembly and reassembly guide in PDF form, 1.11 MB, with no device or brand named in the file name.

Samsung service guide for the Galaxy SM-A320F, document revision 2.9, supplied as a 3.09 MB PDF.

Generic troubleshooting PDF of 1.39 MB whose name gives no brand, model or board, so the device it covers must be checked inside the document.

A 925 KB troubleshooting document in PDF, with a file name that does not say which device or manufacturer it belongs to.

Troubleshooting PDF, 3.16 MB, named without any brand, model or board reference, so it is uninformative until opened.

Full schematic set for the Apple iPad mini 2 logic board in a compact 879 KB PDF. Technicians rely on it to trace power rails, follow signal paths between the SoC, PMU…

Schematic for the Apple iPad Air 2 main logic board, a 10.6 MB PDF that originated from a Vietnamese repair site.

Small 183 KB PDF for the Apple iPad 3, whose name suggests top and bottom views of the board, so it likely functions more as a component placement map than a full…

Diagram document for the Apple iPad 3, in a 1.50 MB PDF. The generic name offers no board number or revision, so check the title blocks for the logic board identifier.

Small 65.7 KB PDF for the Apple iPad 2 that, judging by the name, contains layout information rather than full circuit diagrams.

Apple iPad schematic, 1.26 MB PDF, whose name says full schematic but does not specify the generation or board number.

Schematic PDF of 1.87 MB named only SE, which most likely refers to the iPhone SE, though the name does not confirm the brand or generation.

Schematic of the main logic board for the iPhone 8 Plus, identified in the name by its D21 code, in a 1.91 MB PDF. MLB stands for main logic board.

Apple iPhone X schematic in PDF form covering two board numbers, 820-00863 revision 09 and 820-00869 revision 06, which correspond to the stacked logic board halves used…

PCB layout document for the Apple iPhone X covering both halves of its stacked logic board, 820-00863 revision 09 and 820-00864 revision 06, in a 1.12 MB PDF.

Schematic for the Apple iPhone X stacked logic board, combining 820-00863 revision 09 with 820-00864 revision 06, as a 2.89 MB PDF.

iPhone X schematic for the board pairing 820-00863 revision 09 with 820-00869 revision 06, a 2.84 MB PDF.