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05/07/2026

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02/01/2026

to repair using Borneo scripts?
Operational case: Oppo A5S repair - malfunction power breaker with multiple shorts

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📱 Device information:
- Brand : Oppo
- Model : A5S
- Outage: Power Interruption (No Power)
- Background: A device that was previously tried to be repaired by another artist
- Source : Richie Riyandie

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🔍 Initial examination and condition:
- Appearance: IC power is properly mounted but area is full of vix and damp indicating multiple previous repair attempts

- Note: The Charging IC also appears to have been Reassembled or replaced in advance.

- Initial conclusion: Multiple malfunctions are likely resulting from previous failed repair attempts.

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🔧 Detailed repair steps:

Step 1: Initial diagnosis using schemes (Borneo Schematic)

1. Back to diagram: opening the device diagram (borhardsho a5s) to understand the main input and output circles

2. First check: VSYS (main voltage system) line resistance measurement in non-feed (Pasif).

3. Result: Discovered the presence of Short on the VSYS line ❌. This stops the device from running completely.

Step 2: identify the source of the first shorts (on VSYS)
1. Limited voltage (injection): Using power supply and low voltage injection (4.1V) on VSYS line with low current detection.

2. Note: Charging IC got very hot quickly

3. Procedure: remove the charging IC.

4. Check: measuring VSYS line resistance again. Value returned to normal ✅. First shorts problem solved

Step 3: In-depth diagnosis and discover second shorts

1. Power Circuit Inspection (PMU): After removing the charging IC, the power management circuit was thoroughly examined.

2. Measurement : VEFUSE_PMU line resistance measurement

3. Result: Short detected on VEFUSE_PMU ❌ line.

4. Track Tracing: Using a Bitmap of a diagram, the VEFUSE_PMU track was tracked and found to be connected to the Power IC and CPU.

Step 4: isolate the source of the second shorts

1. Initial procedure: remove the resistance (VEFUSE_PMU) itself

2. Size: shorts are still available ❌. This means that failure is not in resistance itself but in one of the components connected to it

3. Next action: remove the power IC

4. Result: shorts are gone completely ✅. IC power has been identified as source of second shorts

Step 5: repair and final installation
1. Preparing IC: Repolling work for everyone:
*IC NEW SHIPMENT
*IC the new power
2. Installation of IC: Installation of charging IC and power IC accurately on the board.

3. Final check: Measuring all critical lines (VSYS, VEFUSE_PMU) to ensure that any shorts are gone ✅

4. Reassembly: Resistance Welding (VEFUSE_PMU) in place

5. Test: Connect the battery and press the power button

The device has been successfully activated ✅

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🎯 The lessons learned from this situation:

1. The "Failed Previous Reforms" challenge:
- A vortex-filled and humidity indicates a disorganized handling and may hide multiple glitches.

- of a good cleaning first before starting a new diagnosis.

2. Methodology of dealing with multiple shorts:

- Removing one ingredient is not enough. Mainline shorts (like VSYS) might be temporarily resolved but all circuits should be checked afterwards.

- Tracking the path using a Bitmap is necessary to accurately isolate the responsible component between several possibilities (such as PMU or CPU)

3. The importance of a sequence of reform:
- Starting from the power input towards the heart: first the charging IC (responsible for VSYS) then the power IC (responsible of VEFUSE_PMU)

- Repairing in stages and checking after each step prevents failure

4. The Interpretation of Circles:
- VSYS : is the main voltage that feeds most of the device's circuits after the battery.

- VEFUSE_PMU: is a valve-resistance protected line (Fuse) that feeds the same power IC or sensitive circuits from it

Having shorts on is a direct threat to the power IC or the processor

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💡 Practical tips for technicians in complex shorts cases:

A roadmap for a completely complex water diagnosis:
1. Cleaned up the panel well of debris from previous repair.
2. Search Energy Path Shorts: Measure:
* VBAT / VSYS → If short, look for heat around charging IC, condensors, power IC.

*VEFUSE line or other PMU lines → if short focus on IC power and processor.

3. Use the injection method (Voltage Injection) carefully: Start with a very low voltage (1-2 volts) and limited current (1 amp or less) to avoid the loss of healthy components.

4. Isolate the main components one after another: (charging IC → power IC → in some cases files).

How to handle CPU damage suspicions:
- Cooling IC power did not solve the problem: the next step will be difficult and it may indicate shorts inside the processor itself.

- In this case: the shorts came from the damaged charging IC and damaged the power IC, but it did not reach the processor, which saved the device.

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⚠️ Reasons for previous reforms to fail in this case:
1. Incomplete diagnosis: Perhaps the previous technician discovered the charging IC problem and reinstalled it or replaced it, but he did not examine the internal power circuits (such as VEFUSE_PMU) afterwards.

2. Wrong sequence: power IC may have been changed first without fixing VSYS shorts resulting from charging IC resulting in damage to new IC

3. Neglect clean-up: Vix waste can cause electrical leakage or shortage between micro-paths.

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🛠 Tools and materials that made the difference:
1. Borneo Schematic, especially the Bitmap function for tracking the tracks.
2. DC Power Supply for injection and thermal detection.
3. Thermal or elastic camera to detect the hot ingredient.
4. Precision Hot Air for multiple slide removal and installation.

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📞 In conclusion :
This case is an advanced example of Domino Effect failure repair.
Important lesson: A previously repaired power breaker needs a deeper, comprehensive examination.
Don't stop at the first break you find, there might be a second break waiting for you. Patience, methodology, and using the plans to deepen your track tracking are the secrets of success

01/01/2026

Jinsi ya kufanya matengenezo kwa kutumia Borneo Scripts

Operesheni: Matengenezo ya Samsung A145 – Tatizo la mtandao (signal)

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📱 Taarifa za kifaa:
• Mfano: Samsung A145
• Tatizo: Mtandao hauna signal
• Historia: Simu ilishawahi kutengenezwa na fundi mwingine

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🔍 Uchunguzi wa awali:
• Ukaguzi wa bodi: Kugundua kuwa IC fulani haipo kabisa 🔍
• Changamoto kubwa: Hakuna schematics au michoro rasmi ya Samsung A145 ❌

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🔧 Hatua za matengenezo kwa kutumia mipango mbadala:

Hatua ya 1: Kutafuta mbadala unaofanana (suluhisho la ubunifu)
1. Kukagua michoro inayopatikana: kuna manual schematic pekee
2. Kusoma majina ya njia (track names) kwenye mchoro wa mkono
3. Kutafuta mfanano: Kutafuta mfano mwingine wa Samsung wenye track zinazofanana

Hatua ya 2: Kupata mfano unaofanana
• Mfano unaofanana: Samsung A105G
• Ugunduzi: Majina ya njia za mtandao yanafanana karibu kabisa ✅
• Hitaji: IC PA (Power Amplifier) inahitajika

Hatua ya 3: Utekelezaji wa vitendo
1. Kuondoa IC (PA) kutoka Samsung A105G (k**a simu chakavu)
2. Kuandaa IC kwa ajili ya kufungwa
3. Kufunga IC kwenye bodi ya Samsung A145
4. Kufanya jaribio la haraka

Hatua ya 4: Matokeo ya mwisho
• Signal ya mtandao: Inafanya kazi kawaida ✅
• Simu: Imerejea kufanya kazi kwa ufanisi ✅
• Shukrani kwa Mungu kwa mafanikio

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✅ Matokeo:
• Simu imerekebishwa kwa mafanikio kwa kutumia IC ya mfano unaofanana
• Suluhisho la ubunifu limeokoa simu licha ya kukosekana kwa michoro rasmi

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🎯 Mafunzo yaliyopatikana kutokana na tukio hili:

1. Ubunifu wakati wa uhaba wa rasilimali:
• Usikate tamaa pale michoro haipo
• Tafuta mfanano kati ya simu za familia moja
• Zingatia majina ya njia (track names) badala ya namba za serial

2. Kuelewa familia za simu:
• Simu za familia moja mara nyingi hushiriki vipuri
• Mifano inayofuatana (A105 → A145) inaweza kuwa na mizunguko inayofanana
• IC PA mara nyingi zinaweza kubadilishana

3. Umuhimu wa michoro ya mkono:
• Hata ramani rahisi zina taarifa muhimu
• Majina ya track ni ufunguo wa kupata mbadala
• Ufahamu wa nadharia ya mizunguko hukamilisha schematics kamili

4. Ujuzi wa utafiti na ulinganisho:
• Kulinganisha michoro kwa macho
• Kutambua mifumo ya majina ya njia za mtandao
• Kuunganisha nadharia na eneo halisi kwenye bodi

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💡 Vidokezo vya vitendo kwa mafundi:

Wakati hakuna schematics rasmi:
1. Tambua aina ya simu (Galaxy A, M, S)
2. Tafuta mfano wa karibu kulingana na mwaka na vipimo
3. Linganisha picha za bodi (ikiwezekana)
4. Uliza kwenye jumuiya za mafundi kwa mifano inayofanana

Jinsi ya kutambua IC PA:
1. Mahali: Karibu na antenna ya mtandao
2. Ukubwa: Kubwa kuliko IC nyingi zinazozunguka
3. Jina: Mara nyingi lina PA au RF
4. Mawasiliano: Ina njia nyingi za mawasiliano kutoka kwake

Hatua za kubadilisha IC PA kutoka simu chakavu:
1. Chagua simu ya familia na daraja moja
2. Hakikisha IC iko salama kabla ya kuiondoa
3. Tumia joto sahihi (kawaida 350–400°C)
4. Safisha vizuri maeneo ya solder kwenye bodi lengwa
5. Funga kwa umakini na mpangilio sahihi

Zana muhimu kwa matengenezo haya:
1. Michoro ya mifano mbalimbali ya familia moja
2. Microscope kwa kusoma track ndogo
3. Mashine ya Hot Air yenye udhibiti sahihi wa joto
4. Vifaa vya kusafishia bodi na IC

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⚠️ Sababu za IC PA kupotea kwenye matengenezo ya awali:
1. Kuondoa kwa joto kali kupita kiasi
2. Kujaribu kubadilisha kwa IC isiyo sahihi
3. Kuharibu bodi wakati wa kuondoa
4. IC kupotea baada ya kuondolewa

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🛠 Zana zilizofanya tofauti:
1. Michoro ya Samsung A105G k**a rejea mbadala
2. Microscope kusoma majina ya track ndogo
3. Samsung A105G k**a chanzo cha vipuri
4. Vifaa vya micro soldering kwa kazi ndogo sana

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📞 Hitimisho:
Kesi hii inaonyesha jinsi maarifa ya kina na ulinganisho wa akili unavyoweza kutatua uhaba wa rasilimali.
Kukosa michoro si mwisho wa safari, bali ni fursa ya ubunifu.
Kuelewa misingi ya mizunguko na mfanano wa mifano ni silaha kubwa kwa fundi mtaalamu.

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01/01/2026

Jinsi ya kufanya matengenezo kwa kutumia Borneo Scripts

Operesheni: Matengenezo ya Samsung A145 – Tatizo la mtandao (signal)

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📱 Taarifa za kifaa:
• Mfano: Samsung A145
• Tatizo: Mtandao hauna signal
• Historia: Simu ilishawahi kutengenezwa na fundi mwingine

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🔍 Uchunguzi wa awali:
• Ukaguzi wa bodi: Kugundua kuwa IC fulani haipo kabisa 🔍
• Changamoto kubwa: Hakuna schematics au michoro rasmi ya Samsung A145 ❌

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🔧 Hatua za matengenezo kwa kutumia mipango mbadala:

Hatua ya 1: Kutafuta mbadala unaofanana (suluhisho la ubunifu)
1. Kukagua michoro inayopatikana: kuna manual schematic pekee
2. Kusoma majina ya njia (track names) kwenye mchoro wa mkono
3. Kutafuta mfanano: Kutafuta mfano mwingine wa Samsung wenye track zinazofanana

Hatua ya 2: Kupata mfano unaofanana
• Mfano unaofanana: Samsung A105G
• Ugunduzi: Majina ya njia za mtandao yanafanana karibu kabisa ✅
• Hitaji: IC PA (Power Amplifier) inahitajika

Hatua ya 3: Utekelezaji wa vitendo
1. Kuondoa IC (PA) kutoka Samsung A105G (k**a simu chakavu)
2. Kuandaa IC kwa ajili ya kufungwa
3. Kufunga IC kwenye bodi ya Samsung A145
4. Kufanya jaribio la haraka

Hatua ya 4: Matokeo ya mwisho
• Signal ya mtandao: Inafanya kazi kawaida ✅
• Simu: Imerejea kufanya kazi kwa ufanisi ✅
• Shukrani kwa Mungu kwa mafanikio

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✅ Matokeo:
• Simu imerekebishwa kwa mafanikio kwa kutumia IC ya mfano unaofanana
• Suluhisho la ubunifu limeokoa simu licha ya kukosekana kwa michoro rasmi

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🎯 Mafunzo yaliyopatikana kutokana na tukio hili:

1. Ubunifu wakati wa uhaba wa rasilimali:
• Usikate tamaa pale michoro haipo
• Tafuta mfanano kati ya simu za familia moja
• Zingatia majina ya njia (track names) badala ya namba za serial

2. Kuelewa familia za simu:
• Simu za familia moja mara nyingi hushiriki vipuri
• Mifano inayofuatana (A105 → A145) inaweza kuwa na mizunguko inayofanana
• IC PA mara nyingi zinaweza kubadilishana

3. Umuhimu wa michoro ya mkono:
• Hata ramani rahisi zina taarifa muhimu
• Majina ya track ni ufunguo wa kupata mbadala
• Ufahamu wa nadharia ya mizunguko hukamilisha schematics kamili

4. Ujuzi wa utafiti na ulinganisho:
• Kulinganisha michoro kwa macho
• Kutambua mifumo ya majina ya njia za mtandao
• Kuunganisha nadharia na eneo halisi kwenye bodi

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💡 Vidokezo vya vitendo kwa mafundi:

Wakati hakuna schematics rasmi:
1. Tambua aina ya simu (Galaxy A, M, S)
2. Tafuta mfano wa karibu kulingana na mwaka na vipimo
3. Linganisha picha za bodi (ikiwezekana)
4. Uliza kwenye jumuiya za mafundi kwa mifano inayofanana

Jinsi ya kutambua IC PA:
1. Mahali: Karibu na antenna ya mtandao
2. Ukubwa: Kubwa kuliko IC nyingi zinazozunguka
3. Jina: Mara nyingi lina PA au RF
4. Mawasiliano: Ina njia nyingi za mawasiliano kutoka kwake

Hatua za kubadilisha IC PA kutoka simu chakavu:
1. Chagua simu ya familia na daraja moja
2. Hakikisha IC iko salama kabla ya kuiondoa
3. Tumia joto sahihi (kawaida 350–400°C)
4. Safisha vizuri maeneo ya solder kwenye bodi lengwa
5. Funga kwa umakini na mpangilio sahihi

Zana muhimu kwa matengenezo haya:
1. Michoro ya mifano mbalimbali ya familia moja
2. Microscope kwa kusoma track ndogo
3. Mashine ya Hot Air yenye udhibiti sahihi wa joto
4. Vifaa vya kusafishia bodi na IC

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⚠️ Sababu za IC PA kupotea kwenye matengenezo ya awali:
1. Kuondoa kwa joto kali kupita kiasi
2. Kujaribu kubadilisha kwa IC isiyo sahihi
3. Kuharibu bodi wakati wa kuondoa
4. IC kupotea baada ya kuondolewa

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🛠 Zana zilizofanya tofauti:
1. Michoro ya Samsung A105G k**a rejea mbadala
2. Microscope kusoma majina ya track ndogo
3. Samsung A105G k**a chanzo cha vipuri
4. Vifaa vya micro soldering kwa kazi ndogo sana

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📞 Hitimisho:
Kesi hii inaonyesha jinsi maarifa ya kina na ulinganisho wa akili unavyoweza kutatua uhaba wa rasilimali.
Kukosa michoro si mwisho wa safari, bali ni fursa ya ubunifu.
Kuelewa misingi ya mizunguko na mfanano wa mifano ni silaha kubwa kwa fundi mtaalamu.

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01/01/2025

08/10/2024

**BUDDIES TECH REPAIR

**BEI ZA VIOO VYA SIMU**
- S6 edge plus: Tsh. 140,000
- S6 edge: Tsh. 90,000
- S7 edge: Tsh. 150,000
- S8: Tsh. 170,000
- S9: Tsh. 180,000
- S8 plus: Tsh. 190,000
- S9 plus: Tsh. 200,000
- S10: Tsh. 270,000
- S10 plus: Tsh. 340,000
- S20: Tsh. 250,000
- S20 plus: Tsh. 270,000
- S20 ultra: Tsh. 280,000
- S21: Tsh. 270,000
- S22 plus: Tsh. 320,000
- Note 8: Tsh. 270,000
- Note 9: Tsh. 270,000
- Note 10: Tsh. 310,000
- Note 20: Tsh. 290,000
- S21 ultra: Tsh. 290,000
- Note 10 plus: Tsh. 300,000
- S10 5G: Tsh. 310,000
- S23 Ultra: Tsh. 320,000
- S10e: Tsh. 190,000

05/07/2024

Apple wameongeza simu toleo la iPhone X kwenye idadi ya bidhaa ambazo zinakaribia kukosa huduma ya maboresho kutoka katika maduka yao maalumu ya matengenezo.

Hii ina maana, kuanzia sasa utaweza kutengeneza simu yako katika maduka yao maalumu lakini kutokana na uwepo wa spea utazozipata, na k**a utakosa basi huenda ndio ikawa mwisho wa simu yako sababu Apple hawazalishi tena vitu vyovyote vipya kuhusu toleo hilo.

Baada ya miaka 02 kuanzia sasa wataacha kupokea kabisa simu hizo kwaajili ya matengenezo. Vifaa vingine vilivyo ongezwa ni spika janja za HomePod (2020) pamoja na Airpods (2016).
Credit:
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