Boardview for the iPhone 5S, labelled as the WCDMA variant, in .bvr format at 270 KB. The 5S was built in several regional versions with different radio hardware, and…

Apple iPhone 5S boardview, .bvr format, 254 KB. The name does not say which regional or radio variant it covers, and a separate WCDMA-labelled layout exists, so check…

Network section of the Samsung SM-A05 schematic, packed into a 6.27 MB PDF. It covers the radio part of the phone: transceiver, power amplifier, antenna switch, filters…

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…

Product specification section of the Samsung SM-M307F service documentation (Galaxy M30s), a 2.90 MB PDF.

Datasheet PDF, 71.4 KB, describing the 1SV286 diode, although the catalogue assigns it to schematics.

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…

Huawei Y300C repair material packed into a 3.14 MB ZIP archive. The name gives the model only, so the exact contents, likely schematics or service documentation, need…

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

PDF datasheet covering the MT8880C, an integrated DTMF transceiver with a microprocessor bus interface, able both to decode and to generate dual-tone signalling.

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.

iPhone 5S boardview in BVR format for the WCDMA variant, 270 KB. Apple produced several 5S models with different radio configurations, and this file targets the WCDMA…

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…

RAR archive for the Samsung Galaxy J1, model J100MU, size 4.19 MB. The name carries only the model, so the exact contents need checking after extraction; such packages…

Package filed as firmware for the Xiaomi Redmi Note 5A, a 6.56 MB ZIP. Nothing beyond the model is stated, so identify the enclosed files before use, as they may be…

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.

Alcatel One Touch OT-902 Level 2 service manual packed into a 1.19 MB RAR file. Level 2 material covers repairs beyond simple module swaps, typically with disassembly…

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.

Single 1.64 GB RAR archive with scatter firmware for model A107F, binary U8, build A107FXXS8BUC1, on the MediaTek MT6765 platform and Android 10.

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…