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…

Schematic for the second-generation Motorola Moto G (Moto G2), covering models XT1063, XT1068 and XT1069.

Samsung SM-G930F schematic in PDF format, 3.71 MB. Service schematics of this kind map the PMIC outputs, charger circuitry, display connector, camera, audio and radio…

PDF reference of 45.2 KB for the 1T363 transistor, filed in the schematic section. The designation follows the old Soviet system, where 1T stands for a germanium…

Samsung troubleshooting guide for the Galaxy J7 model SM-J700H in PDF. TSHOO documents in Samsung service material normally cover fault-finding procedures with block…

Product specification chapter, part 2 of the Samsung GT-S7580 and GT-S7582 service documentation, as a 567 KB PDF.

A 69.5 KB PDF for the 3SK248, catalogued as a schematic and most likely a manufacturer datasheet for the part. Only the type number is stated.

A 59.6 KB PDF for the 2SC829, an NPN transistor under JIS numbering; the _E suffix in the name is not explained and may indicate a language edition or document revision.

Product specification document, a 2.99 MB PDF, with a generic name that does not identify the device or manufacturer.

The 3SK219 is covered by this compact PDF of roughly 30 KB, indexed as a schematic but by its name a part datasheet.

Reference sheet for the 1T368A transistor, 40.5 KB in PDF format and indexed under schematics.

Datasheet of 243 KB in PDF for the 93C46B, a 1 Kbit serial EEPROM of the 93-series Microwire family; the B suffix generally identifies a version with fixed word…

Schematic PDF whose name points to the Samsung J500H family with several regional suffixes, apparently covering J500H variants listed as S, L, S and C, at 2.40 MB.

Samsung Galaxy S20 schematic diagram for model SM-G780F, an 8.14 MB PDF. Phone schematics like this show power management, charging, display, camera and radio circuits…

Schematic set for the BlackBerry 9700 smartphone, the Bold model, in a 797 KB RAR. The name gives only the model number with no board revision.

Logic block diagram for the Xiaomi Redmi 3A, with a Chinese title, supplied as a 738 KB PDF.

Reference sheet for the 3SK143, delivered as a 35.1 KB PDF and indexed under schematics. Beyond the part number the name says nothing.

A 32.8 KB PDF for the 3SK273, indexed as a schematic though it is likely a manufacturer datasheet.

PDF data sheet of 47.6 KB for the 1T411 transistor, filed in the schematic category. Following the Soviet designation scheme, the 1T prefix denotes a germanium…

Indexed as a schematic, this 63.9 KB PDF carries the name 1SV265 and nothing else. Under Japanese 1S numbering, the 1SV prefix denotes a Toshiba variable-capacitance…

Circuit schematic in PDF for the original Xiaomi M1 phone, with the Chinese title meaning Xiaomi schematic diagram.

A 463 KB PDF for the 2SC380TM, an NPN transistor numbered under the JIS 2SC scheme; TM is part of the name but its meaning is not explained.

Spanish PDF, 474 KB, titled CDMA and FSK and numbered 5, apparently a chapter in a communications course.

Compact schematic package for the basic Nokia 1280 feature phone, type RM-647, about 137 KB as a RAR archive.

Circuit diagram for the Samsung Galaxy Mega, model GT-I9200, supplied as a 5.99 MB PDF. The name gives no board revision.

Schematic diagrams for the Nokia 1220 handset, packed in a 564 KB PDF; no revision is given in the name.

Phone specification document in a 10.1 MB PDF; the name states only that it contains specifications and gives no brand or model, so the target device must be identified…

Network RF section of the Samsung SM-A10 schematic, a 2.25 MB PDF. It follows the cellular radio chain from transceiver through power amplifiers, antenna switch and…

Small schematic PDF of about 348 KB named MV-MTK RF, which suggests a radio-frequency section of a design built around a MediaTek chip, though the name does not identify…

Nokia Lumia 610 schematics for type RM-849, packaged as a 3.86 MB RAR archive without a stated revision number.

Schematic archive for the Samsung J700H, a Galaxy J7 variant, packed in RAR form at about 8.20 MB.

Electrical schematic, E.E being short for the Portuguese esquema elétrico, for the Motorola Moto G4 Plus covering models XT1640, XT1641, XT1642, XT1643 and XT1644, in a…

Nokia 3210 schematics in a 981 KB PDF, with no board revision mentioned in the name. This classic handset is still repaired by collectors and technicians, and the sheets…

Schematic for the Apple iPhone 7 Intel version, meaning the variant with an Intel baseband modem, in a 1.27 MB PDF.

Circuit schematic for the LTE version of the Xiaomi Mi 4, compressed as a 1.34 MB ZIP file.

Schematics for the Huawei G730-C00, compressed into an 857 KB zip. The C00 suffix in Huawei model codes typically marks the China Telecom CDMA variant, so hardware may…

Circuit diagrams for the Nokia Lumia 625 type RM-941, version 1.0, compressed into a 1.71 MB RAR archive.

Schematic diagram for the Huawei Y3 II, model LUA-U22, packed as a 6.63 MB RAR archive.

Service manual for the Samsung SM-A305N smartphone, a 27.4 MB PDF labelled in Spanish as manual de servicio.

Full schematic in PDF for the MI2 mainboard at the P4 build, with 0917 most likely the drawing date.